A waterproof and breathable performance boot for track and street that is anatomically profiled and packed with innovation, the evolved SMX-6 DRYSTAR® features the latest in Alpinestars' footwear design and development. Every component on this CE certified boot offers a crucial performance edge, in the form of protection innovations, improved ergonomics and comfort features.

• 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