ALPINESTARS SMX-6 v2 Vented Boots - Black/Yellow - US 11.5 / EU 46 2223017-1550-46 Kickstarter Mainshaft Gear Knuckle is leather covered for

Knuckle is leather covered for durability

Stepped 5-inch diameter slip-on delivers increased HP and TQ

goat and kangaroo (palm) leather for superior performance Hard TPU knuckle protector for superior abrasion resistance to repeated impacts

Reduced size from the PCIII USB

ALPINESTARS SMX-6 v2 Vented Boots - Black/Yellow - US 11.5 / EU 46 2223017-1550-46 Kickstarter Mainshaft Gear Knuckle is leather covered forBoot 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