- Boot upper incorporates an innovative front and rear bellows and rear calf zone for higher levels of flexibility
- Boot upper is 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
- Alpinestars innovative TPU lateral ankle brace provides 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 counter and shin plate plus breathable mesh inserts improve comfort and reduce fatigue on the ride (vented boot styles only)
- High modulus TPU-injected shin guard, calf protector, heel counter, shift pad, ankle brace and toe slider for improved shock protection and durability
- Double-density ankle protector on the medial side, layered under the upper, offers protective performance in key areas
- Integrated, replaceable bi-injected TPU slider features a new easy-screw fixing concept for quicker, easier replacement
- Innovative instep and Achilles accordion flex zone construction for superior comfort, extension, control and support
- Internal insole 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 opening is large to promote easy in/out of the boot
- 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
- Removable anatomic footbed includes EVA and stretch fabric for performance, comfort and support
- Rubber compound sole promotes improved feel and grip, water dispersion and durability
- Drystar version has Alpinestars waterproof, breathable liner, which provides excellent all-weather performance
