Trek BioDynamic Mid Arch Cycling Insoles provide better support to maximize pedaling efficiency and riding comfort. Feel better. Perform better. Trek BioDynamic Mid Arch Cycling Insoles with SuperFeet are engineered to harmonize the interface between body, shoe, and bike, giving you the complete foot support you need to ensure mile after mile of efficient, pain-free pedaling. Product details: - Engineered for unparalleled foot control, pedaling efficiency, and comfort - 3D Arch provides optimal arch support for improved knee alignment - Precision molded heel cup helps stabilize and align the foot - Footrest metatarsal pad helps reduce or eliminate hot foot - Dual-density construction provides more comfort and durability - Insoles can be cut to fit each individual foot size - Made with 70% recycled content, including the top sheet, EVA, and heel cradle - 3 arch heights are available to better fit various foot types

A material advantage Trek RSL Knit Road Cycling Shoe is a forward-thinking engineered knit race shoe that is exceptionally comfortable, breathable, and incredibly fast. Trek RSL Knit Road Cycling Shoe is an all-out race shoe that defies convention. Years in development, this shoe was engineered to provide maximum power transfer and all-day comfort, allowing you to elevate your performance during every ride or race. Engineered performance knit provides a supportive, sock-like fit. All-new METNET relief zones flex in all the right places, while METNET power straps lock in the foot for maximum efficiency. Coupled with a 100% OCLV Carbon plate and two Li2 BOA dials, this shoe is fast, comfortable, and light. - Engineered performance knit provides a comfortable, sock-like fit and excellent breathability - METNET relief zones stretch and conform to the foot to relieve common foot discomfort - Updated Trek Pro Last provides a wider performance fit to better match the average foot - Dual Li2 BOA dials provide low-profile, on-the-fly micro-adjustability for a precision fit - 100% OCLV Carbon plate provides excellent power transfer for optimal pedaling efficiency - Internal heel cup and no-slip heel lining prevent slippage and improve efficiency - Insoles are made with Rise by BLOOM, a bio-based EVA foam replacement - Compatible with 3-bolt cleats

A new standard Trek Velocis Road Cycling Shoe is a high-performance road shoe designed for committed cyclists who need power and everlasting comfort on every road ride, no matter the distance. All-new METNET relief zones deliver flex in all the right places. Two Li2 BOA dials provide a secure and precise fit. A carbon composite plate ensures excellent power transfer. - METNET relief zones stretch and conform to the foot to relieve common hot spots and discomfort - InForm Pro Last provides an ergonomically optimized, high-performance fit - Dual Li2 BOA dials provide low-profile, on-the-fly micro-adjustability for a precision fit - OCLV Carbon and fiberglass composite plate provides excellent power transfer - Compatible with 3-bolt cleat systems

To validate our warranty and prevent sole cracking, SIDI Reinforcement Plate (or similar from crankbrothers and Look) highly recommended for use with dual retention-bar style MTB pedals (crankbrothers, Time and Look). The plate is not required on Drakos or with Shimano-style pedals.

Supremely engineered for your fastest efforts. With its ultra sleek lines, optimal power transfer, and refined pro-grade features, the RC903 is the culmination of our most advanced technologies for a performance elevating race shoe that feels and functions unlike anything you’ve worn before. Features: - Premium Road Cycling Shoe: S-PHYRE RC903 is a high performance road racing shoe compatible with SPD-SL cleats - Precise Fit: dual low-profile BOA® Li2 dials deliver quick and precise micro-adjustments - Optimum Stiffness: reduces energy loss and maximizes power transfer - Anti-twist Heel Cup: stabilizes heel to help manage the intense twisting forces caused by explosive acceleration - Breathable Shoe: lightweight micro-fiber leather upper with perforated venting keeps feet cool during even your sweatiest pursuits - Cleats sold separately BUILT FOR PERFORMANCE Anti-twist stabilizing structure within the heel cup offers unparalleled stability during explosive sprints. DYNALAST technology secures your foot in place, reducing power loss at the pedal and lessening fatigue during long rides, while the optimized toe-spring section reduces tension in your feet, calves, and hamstrings - so you can go further, faster. EXCEPTIONAL FIT How a shoe fits and feels defines its performance. The RC903 takes both to the next level with a 360º surround wrapping upper, a refined toe box fit, and a low-profile crossover lacing pattern with two BOA® Li2 dials for the most precise fit possible.

Supremely engineered for your fastest efforts. With its ultra-sleek lines, optimal power transfer, and refined pro-grade features, the RC903 is the culmination of our most advanced technologies for a performance-elevating race shoe that feels and functions unlike anything you’ve worn before. Unrivaled speed Features: - Premium Road Cycling Shoe: S-PHYRE RC903 is a high-performance road racing shoe compatible with SPD-SL cleats - Precise Fit: dual low-profile BOA® Li2 dials deliver quick and precise micro-adjustments - Optimum Stiffness: reduces energy loss and maximizes power transfer - Anti-twist Heel Cup: stabilizes heel to help manage the intense twisting forces caused by explosive acceleration - Breathable Shoe: lightweight micro-fiber leather upper with perforated venting keeps feet cool during even your sweatiest pursuits - Cleats sold separately BUILT FOR PERFORMANCE Anti-twist stabilizing structure within the heel cup offers unparalleled stability during explosive sprints. DYNALAST technology secures your foot in place, reducing power loss at the pedal and lessening fatigue during long rides, while the optimized toe-spring section reduces tension in your feet, calves, and hamstrings - so you can go further, faster. EXCEPTIONAL FIT How a shoe fits and feels defines its performance. The RC903 takes both to the next level with a 360º surround wrapping upper, a refined toe box fit, and a low-profile crossover lacing pattern with two BOA® Li2 dials for the most precise fit possible.

City-Touring Shoe Designed For All-Day Comfort Ideal for quick commutes and relaxed pedals around the city, the EX300’s flexible sole strikes the perfect balance between pedal efficiency and walkability for a functional shoe that’s easy to wear all day long. Features: - Multi-use Cycling Shoe: the EX300 is a breathable and sporty city-touring shoe - Midfoot Cleat Placement: reduces calf strain and improves pedaling comfort at moderate cadences - Cushioned Midsole: EX midsole softens impacts and increases walking comfort - Sleek and Stylish Outer: light and airy everyday comfort - Cleats sold separately SPORTY DESIGN More sustainably made with a 24% recycled midsole, its casual design and breathable feel makes the EX300 look right at home wherever you are. WALK WITH CONFIDENCE With a wider forefoot contact area to reduce cleat chatter and provide a more secure grip while on foot, the EX300 is built ultra-comfortable for those times where you’re off the bike as much as on it.

Women's City-Touring Shoe Designed For All-Day Comfort Ideal for quick commutes and relaxed pedals around the city, the EX300W’s flexible sole strikes the perfect balance between pedal efficiency and walkability for a functional shoe that’s easy to wear all day long. Features: - Multi-use Women’s Cycling Shoe: the EX300 is a breathable and sporty city-touring shoe - Midfoot Cleat Placement: reduces calf strain and improves pedaling comfort at moderate cadences - Cushioned Midsole: EX midsole softens impacts and increases walking comfort - Sleek and Stylish Outer: light and airy everyday comfort - Women’s Sizing: designed with a women’s specific last for a natural, comfortable fit - Cleats sold separately

High Performance Cycling Shoe Optimized For Indoor Riding Whether you're clipping in for a session in your living room or a spin class at your favorite studio, the IC501 is thoughtfully designed to maximize your time in the saddle. Featuring breathable mesh construction on the top of the foot, SPD cleat compatibility, and a no-slip rubber sole that won't make it sound like you're walking around in tap shoes, this is a high-performance shoe that works as hard as you do. - Indoor Cycling Shoe: the IC501 is specifically designed for the demands of indoor cycling - Odor-busting Technology: FUZE treatment fights odor from sweat - SPD Cleats: compatible with most indoor cycling bikes - Maximum Efficiency: a stiff sole and tailored fit ensures optimal power transfer to the pedals - Precise Adjustment: easy-to-use BOA dial for a perfect fit, every time - Cleats sold separately Next-level Odor Control Dial up the intensity, not the smell. The first shoe of its kind to incorporate FUZE technology, the IC501 is treated with an eco-friendly, chemical-free treatment that zaps odor-causing bacteria and fungus so you can clip in for every workout feeling fresh — and ditch that sweaty gym bag smell for good. Walk with Confidence Developed specifically for indoor use, the grippy, full-length rubber outsole with a recessed cleat that sits flush with the sole makes walking on slick studio floors a breeze. Superior Power Transfer Put the power straight to the pedals with a stiff full-length, reinforced plate along the sole and precise BOA dial fit adjustment. The IC501 delivers highly efficient power transfer to make every last bit of effort count when you’re pushing for that next personal best.

Value-Packed Women’s Performance Road Shoe Boasting a host of performance features, the RC302W is a women’s specific road shoe for everyday riding. Designed for both comfort and speed, it employs an integrated seamless midsole and fiberglass-reinforced nylon sole to deliver a stiff and stable pedaling platform. Features: - The updated RC302W blends top-tier S-PHYRE race technology with a mid-tier price, delivering all-day comfort in a lightweight performance road shoe - Optimal Efficiency: Low stack height integrated midsole and new BOA fit system upper with instep strap provide stable pedaling platform and secure closure for enhanced power transfer - Breathability: Synthetic leather upper with strategically-placed perforations increases ventilation, keeping you cool and comfortable when the race is on - Dialed Fit: Women’s specific last and surround wrapping upper accommodate broad range of foot shapes, while micro-adjustable BOA L6E dial enables a personalized fit - Options Abound: Available in three colorways and standard sizes from 36-44 mean there’s an ideal option for you and your style

LIGHTWEIGHT ROAD PERFORMANCE SHOES WITH S-PHYRE DNA. FEATURES - Mesh/TPU and Synthetic leather material covered upper in optimized part to provides comfortable fit and light weight. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. Integrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance. - BOA® L6 dial on instep strap quickly and comfortably secures a wide range of foot shapes. - Carbon fiber reinforced nylon midsole for power transfer. - Low stack height midsole stabilizes foot and maximizes power transfer efficiency.

LIGHTWEIGHT WOMEN'S ROAD PERFORMANCE SHOES WITH S-PHYRE DNA. FEATURES - Mesh/TPU and Synthetic leather material covered upper in optimized part to provides comfortable fit and light weight. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Integrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance. - BOA® L6 dial on instep strap quickly and comfortably secures a wide range of foot shapes. - Carbon fiber reinforced nylon midsole for power transfer. - Women’s specific last for a natural, comfortable fit. - Low stack height midsole helps stabilize foot, maximizes power transfer and efficiency.

Race-Ready Performance Road Cycling Shoe Packed with race-focused features, the RC703 utilizes the same S-PHYRE fit technology found in our pro-level road shoes. Designed to deliver all-day comfort and efficient power transfer, it employs a low stack height midsole and new Power Zone lace guides that reduce weight and increase pedaling stability. Features: - The updated RC703 is a race-ready road cycling shoe that’s lightweight, comfortable, and designed to help keep you at the front of the pack - Optimal Efficiency: Low stack height midsole, refined instep straps, and new Power Zone lace guides provide stable pedaling platform for enhanced power transfer - Breathability: Synthetic leather upper with strategically-placed perforations increases ventilation, keeping you cool and comfortable when the race is on - Dialed Fit: Surround wrapping upper accommodates broad range of foot shapes, while dual micro-adjustable BOA L6Z dial enables a personalized fit - Options Abound: Available in three colorways and standard sizes from 40-48 (plus half sizes 41.5-46.5 and wide options 40-50) mean there’s an ideal choice for you and your style

Women’s Race Ready Road Cycling Shoe Packed with race-focused features, the RC703W utilizes the same S-PHYRE fit technology found in our pro-level road shoes. Designed to deliver all-day comfort and efficient power transfer, it employs a women’s specific last and new Power Zone lace guides that reduce weight and increase pedaling stability. Features: - The updated RC703W is a race-ready road cycling shoe that’s lightweight, comfortable, and designed to help keep you at the front of the pack - Optimal Efficiency: Low stack height midsole, refined instep straps, and new Power Zone lace guides provide stable pedaling platform for enhanced power transfer - Breathability: Synthetic leather upper with strategically-placed perforations increases ventilation, keeping you cool and comfortable when the race is on - Dialed Fit: Women’s specific last and surround wrapping upper accommodate broad range of foot shapes, while dual micro-adjustable BOA L6Z dial enables a personalized fit - Options Abound: Available in two colorways and standard sizes from 36-44 mean there’s an ideal choice for you and your style

Ready to tackle dust, mud, and mixed terrain, the RX600 Women's boasts powerful pedaling performance and confidence inspiring grip in a gravel shoe thoughtfully engineered for bikepacking and adventuring. - Versatile Gravel Shoe: the RX600W is a women's SPD gravel shoe with optimally balanced stiffness and walkability for off-road exploring - Efficient Pedal Performance: stiff carbon reinforced outsole transfers your efforts directly to the pedal - Bikepacking Friendly: wider outsole offers extra stability when walking or pushing your bike - Tailored Fit: L6 BOA dial closure system cinches in seconds for a secure fit every ride - Women's Sizing: designed with a women's specific last for a natural, comfortable fit. - Cleats sold separately

Bringing together the top performance features of our premium mountain bike and road racing footwear in a shoe that balances powerful pedaling performance and versatile off-the-bike capability, the RX801 is a featherweight all-terrain gravel shoe that's as bold as its rider. Lightweight, stiff, and walkable, it's the perfect shoe for gravel racers, gran fondo riders, and weekend warriors alike. - Ultralight Gravel Shoe: the RX801 is a breathable racing shoe for adventures on all terrain - Carbon Composite Sole: stiff, lightweight sole optimized for increased power transfer through your pedal stroke - Precise Fit: new BOA Li2 dial adjusts for a secure fit instantly with no pressure points - Tread Confidently: high-grip, scratch-resistant rubber outsole makes walking a breeze - Reinforced Toe: offers extra protection from scuffs and scrapes on more technical terrain - Cleats sold separately

High-performance XC MTB racing shoe with advanced fit and pedaling technologies. FEATURES - Integrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance. - Off-set center flap mounted BOA L6 dial creates a sleeker profile with quick adjustments. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Rubber XC racing pattern outsole promotes stable pedal engagement and secure walking grip. - Low stack height midsole stabilizes foot and maximizes power transfer efficiency. - Perforated synthetic leather composite upper enables superior fit and breathability. - Lightweight glass fiber reinforced nylon sole for power transfer.

High-performance XC MTB racing shoe with advanced fit and pedaling technologies. FEATURES - Integrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance. - Off-set center flap mounted BOA L6 dial creates a sleeker profile with quick adjustments. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Rubber XC racing pattern outsole promotes stable pedal engagement and secure walking grip. - Low stack height midsole stabilizes foot and maximizes power transfer efficiency. - Perforated synthetic leather composite upper enables superior fit and breathability. - Lightweight glass fiber reinforced nylon sole for power transfer.

High-performance XC MTB racing shoe with advanced fit and pedaling technologies. FEATURES - Integrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance. - Off-set center flap mounted BOA L6 dial creates a sleeker profile with quick adjustments. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Rubber XC racing pattern outsole promotes stable pedal engagement and secure walking grip. - Low stack height midsole stabilizes foot and maximizes power transfer efficiency. - Perforated synthetic leather composite upper enables superior fit and breathability. - Lightweight glass fiber reinforced nylon sole for power transfer.

STYLISH AND VERSATILE XC SHOES DELIVER HIGH PERFORMANCE TO MORE RIDERS. FEATURES - Lightweight SHIMANO ULTREAD XC rubber outsole delivers competition-grade grip that lasts. - Mesh/TPU and Synthetic leather material covered upper in optimized part to provides comfortable fit and light weight. - BOA® L6 dial on instep strap quickly and comfortably secures a wide range of foot shapes. - Glass fiber reinforced midsole for power transfer. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Rider-tunable spikes allow riders to select and swap spikes to match riding styles and conditions. - Low stack height midsole helps stabilize foot, maximizes power transfer and efficiency.

STYLISH AND VERSATILE XC SHOES DELIVER HIGH PERFORMANCE TO MORE RIDERS. FEATURES - Lightweight SHIMANO ULTREAD XC rubber outsole delivers competition-grade grip that lasts. - Mesh/TPU and Synthetic leather material covered upper in optimized part to provides comfortable fit and light weight. - BOA® L6 dial on instep strap quickly and comfortably secures a wide range of foot shapes. - Glass fiber reinforced midsole for power transfer. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Rider-tunable spikes allow riders to select and swap spikes to match riding styles and conditions. - Low stack height midsole helps stabilize foot, maximizes power transfer and efficiency.

STYLISH AND VERSATILE WOMEN'S XC SHOES DELIVER HIGH PERFORMANCE TO MORE RIDERS. FEATURES - Lightweight SHIMANO ULTREAD XC rubber outsole delivers competition-grade grip that lasts. - Mesh/TPU and Synthetic leather material covered upper in optimized part to provides comfortable fit and light weight. - BOA® L6 dial on instep strap quickly and comfortably secures a wide range of foot shapes. - Glass fiber reinforced midsole for power transfer. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Women’s specific last for a natural, comfortable fit. - Rider-tunable spikes allow riders to select and swap spikes to match riding styles and conditions. - Low stack height midsole helps stabilize foot, maximizes power transfer and efficiency.

XC COMPETITION-LEVEL SHOES INFUSED WITH S-PHYRE DNA. FEATURES - Lightweight SHIMANO ULTREAD XC rubber outsole delivers competition-grade grip that lasts. - Surround wrapping upper structure reduces overlap and provides a glove-like fit. - Rider-tunable spikes allow riders to select and swap spikes to match riding styles and conditions. - Ultra-rigid, lightweight carbon fiber reinforced midsole. - Supple high-density synthetic leather with perforation and lightweight mesh/TPU combination bring superior fit and comfort. - Dual independent BOA® L6 dials allow quick, micro tension adjustments. - Adjustable powerzone lace guide securely holds forefoot. - Low stack height midsole helps stabilize foot, maximizes power transfer and efficiency.

Versatile Road Cleat For All Types of Riders For anyone unsure about which cleats to choose, the SM-SH11 are a great starting point. With their large float range and centered pivot point, Shimano’s Yellow SPD-SL cleats allow the toes to point in a wide range of angles and provide more room for error during set-up while still delivering an efficient connection between rider and bike. So if you're new to cycling, experience knee pain, lack flexibility, or simply don’t know where to begin, these cleats are your best bet. FEATURES: - SM-SH11 Yellow SPD-SL cleats come stock with most Shimano SPD-SL pedals and are a great choice for the majority of cyclists. They feature a six-degree float range (three degrees in each direction), which allows for free movement and low joint stress while still creating a solid connection between rider and bike. - Customizable: Seamlessly compatible with Shimano SPD-SL pedals, which allow you to adjust the spring force required to clip in and out of your pedals - Ease of Disengagement: Feature a 13-degree clip-out angle, allowing you to quickly get out of your pedals when the time calls - Off-Bike Friendly: Cleat size and shape provide stable walking platform and are less prone to clogging with dirt when off bike - Built to Last: Composite construction combines injection molded main body with grip-enhancing TPU tips that are durable and maintain long lasting pedal engagement

Reach for this shoe cover on those cold days when you're not taking no for an answer. This is our very warmest shoe cover, thanks to three-layer AmFIB softshell fabric and a quilted lining with 100g Primaloft Gold with Crosscore technology. Plus, a durable water-repellent (DWR) finish keeps your feet dry through most conditions. Our anatomic design eliminates the bunching that can happen near the top of the pedal stroke, and the patented two-stage hook-and-loop closure makes them easy to put on and take off, solving one of the most frustrating parts of using shoe covers. - AmFIB Softshell provides superior wind and water protection - 100g Primaloft Gold w/Crosscore technology insulation is made from 35% post-consumer recycled polyester and incorporates Aerogel particles for incredible warmth with minimal weight - Patented two-stage hook-and-loop closure provides both sleek fit and easy on and off - Anatomic paneling for a performance fit - BioViz reflective elements for low-light visibility - Main Body: 37% polyurethane, 33% polyester, 20% polyamide, 10% CORDURA - Lining: 100% polyamide - Made in Vietnam

Whether you’re preparing to hit the road or trail, the AmFIB® Lite shoe cover is the right choice to keep your feet warm and dry. The three-layer softshell fabric blocks the wind and sheds moisture while remaining highly breathable. A high cuff designed to overlap with tights ensures a comfortable seal, and BioViz® reflective elements on the toe, side, and heel increase low-light visibility. FEATURES: - Compatible with road and mountain bike shoes - Three-layer softshell fabric is windproof and water-resistant - Zippered closure for installation and removal - BioViz® reflective elements increase low-light visibility FABRIC: - 43% polyamide, 29% polyester, 28% polyurethane

Let's get real; toe covers are a great way to deal with cold weather. They can be pulled over the toe of most cycling shoes and left on for the whole winter, and people do more miles on 45-degree days than they do on 25-degree days (even in Canada). Our toe cover uses our AmFIB softshell fabric to keep out the wind and rain and we positioned the band to sit behind toe spikes so that they will work with road or mountain shoes. Kevlar on the underside increases durability while the hook-and-loop closure makes the fit adjustable and the mounting quick. - AmFIB Softshell provides superior wind and water protection. - Innovative power-band secures front of shoe cover under toes. - Kevlar bottom with hook-and-loop closure allows easy on and off. - BioViz reflective elements for low-light visibility. - For road or mountain bike shoes.

This shoe cover is as committed as you are to riding through the wettest weather, thanks to three-layer waterproof/breathable fabric that blocks wind and stops rain in its tracks. The WRX Shoe cover works with both road and mountain bike shoes and can be used with standard footwear as well. (We suggest sizing up for flat pedal and street shoes). A two-stage hook and loop closure makes it easy to pull these on and keeps the elements at bay. BioViz® reflective elements on the toe, side, and heel increase low-light visibility. FEATURES: - Made with recycled materials - Compatible with road, mountain, and standard shoes - We suggest sizing up for mountain bike or street shoes - Three-layer waterproof breathable fabric blocks wind and water - Two-stage hook and loop closures for installation and removal - BioViz® reflective elements increase low-light visibility FABRIC: - 87% polyester, 13% nylon

This shoe can transition from an indoor cycling studio to a gym workout and out to the coffee shop. The seamless mesh design has a terrific feel and maximizes breathability. Using our experience with cycling shoes, we’ve built in stiffness for comfortable pedaling, but left enough give in the toe area to walk normally. A single strap makes for quick adjustability, while the recessed cleat mount keeps metal cleats from clicking on the floor. - Booty construction with single strap for easy on/off in busy studio environment - Mesh forefoot for additional breathability and comfort - 3/4 length composite shank provides pedaling stiffness without sacrificing walk-ability - Easy to walk recessed-cleat design - 2-bolt SPD cleat compatible

Evolving from the CX237, Lake has improved upon performance and durability, with its high-cadence riding favorite, the Lake CX238 Road Shoe. Shaped for a better, more comfortable fit, the Competition last increases toe pitch and heel lift, allowing the foot to expand under high pedaling pressure. Supporting the shoe is Lake's Race carbon fiber sole, offering impressive stiffness and power transfer while remaining low in weight. To protect the shoe from premature wear, the full-grain leather upper boasts a panel at the heel and a rubber bumper at the toe, plus mesh panels for proper ventilation. Designed for high-pressure riding, the Lake CX238's wider forefoot provides the relief you need to focus on the road ahead. CX/TX Competition Last – With a profile specifically designed for very high-cadence riding & higher pressure, our Competition last features a more curved profile than the Sport last. The main differences include increased toe pitch & heel lift, a tighter heel & a slightly wider ball girth to allow the foot to expand under high pedaling pressures. Lake Competition 100% Carbon Fiber Sole. Available in 3-hole cleat pattern. Fullgrain Water Resistant Premium Leather or Clarino Microfiber and mesh with hook Lycra & Outlast heel lining. Helcor heel panel and rubber toe bumper helps protect the upper from scuffs and scratches. Outlast temperature regulating heel and tongue lining offers a luxurious foot feel, while maintaining a breathable, durable & firm grip to your foot. Dual Side mounted Push/Pull IP1-S BOA lacing system with releasable lace guides