ALPINESTARS SMX-6 v2 Boots - Black - US 4 / EU 37 2223017-1100-37 Factory 4.1 RCT Mesh finger gussets for mobility

Mesh finger gussets for mobility and air flow

Spokes are polished to maintain surface strength

Designed to mount seamlessly with the champ tail section

Molded Marathon foam

ALPINESTARS SMX-6 v2 Boots - Black - US 4 / EU 37 2223017-1100-37 Factory 4.1 RCT Mesh finger gussets for mobilityBoot 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