ALPINESTARS SMX+ Boots - Black - US 6.5 / EU 40 2221019-10-40 Radiator Guards Not compatible with handlebar-mounted steering

Not compatible with handlebar-mounted steering stabilizers

TPU ankle protection system incorporating a biomechanical link between the middle and bottom sections of the boot helping prevent damage to the leg by providing progressive force relief for torsional forces

Front and rear boot bellows make with lightweight microfiber for increased durability and abrasion resistance

race bikes equipped with the Graves' velocity stacks

ALPINESTARS SMX+ Boots - Black - US 6.5 / EU 40 2221019-10-40 Radiator Guards Not compatible with handlebar-mounted steeringAdvanced microfiber upper construction for lightweight high performance protection and superb levels of flexibility Front flex area is constructed with a soft microfiber for improving abrasion resistance and natural forwards and backwards movement Flexible accordion microfiber on Achilles gives enhanced natural movement Outside entry exit has stretchable accordion panel for a close fit and ease of entry and removal. Contoured high modulus shin plate