ALPINESTARS SMX-6 v2 Boots - Black/Red - US 7.5 / EU 41 22230171341 Airbox Cover Welded hems for duability

Welded hems for duability

Medium-firm density for ride quality

9-piece refill packs for the vent hose tub

Improved tolerance over OEM

RadiusX delivers increased power transfer over OEM and longer clutch life with less adjustment over time

ALPINESTARS SMX-6 v2 Boots - Black/Red - US 7.5 / EU 41 22230171341 Airbox Cover Welded hems for duabilityBoot 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