ALPINESTARS SMX-6 v2 Boots - Black/Red - US 12.5 / EU 48 22230171348 Brakes uncoated high-speed steel for durability

uncoated high-speed steel for durability and precision cutting

acting as a channel to concentrate and smooth the flow into the shell

Tri-oval-shaped muffler rear seamlessly transforms into 4" round front 5" wide

preventing compression but allowing controlled deflection for reducing transmitted impact energy

ALPINESTARS SMX-6 v2 Boots - Black/Red - US 12.5 / EU 48 22230171348 Brakes uncoated high-speed steel for durabilityBoot upper incorporates an innovative front and rear bellows and rear calf zone for superior 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 Thermoplastic Polyurethane (TPU) lateral ankle brace provides a biomechanical support between the