ALPINESTARS SMX-6 v2 Vented Boots - Black/Yellow - US 6 / EU 39 2223017-1550-39 Techstar Gloves Advanced MotoGP-derived SP dual density

Advanced MotoGP-derived SP dual density knuckle protector

Vulcanized rubber plus injected PU midsole designed for optimal combination of comfort and grip

4 lbs pounds over the stock can alone

Fits 120 front and 180 through 200/60 rear size tires

ALPINESTARS SMX-6 v2 Vented Boots - Black/Yellow - US 6 / EU 39 2223017-1550-39 Techstar Gloves Advanced MotoGP-derived SP dual densityBoot 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