• Boot uppers incorporate an innovative front and rear bellows and rear calf zones for superior levels of flexibility
• Boot uppers are constructed from microfiber for durability and abrasion resistance
• Ergonomic forefoot streamlining enables greater control of the bike's controls and provides a superior, wide-ranging foot profile for excellent fit and comfort
• Thermoplastic Polyurethane (TPU) lateral ankle braces provide a biomechanical support between the lateral top calf/shin and ankle and provides improved structural integrity, protection against impact shocks, repeated abrasion resistance and flex support
• Air vents on the heel counters and shin plates plus breathable mesh inserts improve comfort and reduce fatigue on the ride (vented boot styles only)
• High modulus TPU-injected shin guards, calf protectors, heel counters, shift pads, ankle braces and toe sliders for improved shock protection and durability
• Double-density ankle protectors on the medial side, layered under the uppers, offer protective performance in key areas
• Integrated, replaceable bi-injected TPU sliders feature a new easy-screw fixing concept for quicker, easier replacement
• Innovative insteps and Achilles accordion flex zones construction for superior comfort, extension, control and support
• Internal insoles with shake reinforcement integrated for support to the arch area and foot protection
• Medial side entry opening/closure system features elastic-mounted zipper with wide hook-and-loop closure for flexibility and a secure fit
• Aperture openings are large to promote easy in/out of the boots
• Internal toe box protection is layered under the upper for durability, improved feel and performance
• Breathable textile interior lining features anti-sliding suede reinforcement on the heel area to help keep the foot in position while riding
• New, removable anatomic footbeds include EVA and stretch fabric
• Rubber compound soles promote improved feel and grip, water dispersion and durability
• Drystar version has Alpinestars waterproof, breathable liners, which provides excellent all-weather performance