ALPINESTARS SP-X BOA Boots - Black - EU 39 2222024-1100-39 lb7 elasticity and natural "butt feel"

elasticity and natural "butt feel" in a motorcycle seat cushion

Exclusive rubber outsole design with unique side-wrapping design

Internal EVA layer sandwiched between outer and inner materials reduces pressure on the foot in the gear shift area

- Unlock Performance: Our tunes go beyond just increasing numbers

Redesigned instep and Achilles accordion flex zones construction for superior comfort

ALPINESTARS SP-X BOA Boots - Black - EU 39 2222024-1100-39 lb7 elasticity and natural "butt feel"SP X boots are a sleek sport boot designed to fit under tech riding pants and provide superior walking capability Optimized for the sport and sport touring rider, the SP X are compact, mid height boots with premium levels of protection and comfort on and off the bike The upper is constructed from a combination of Rideknit material and knitted mesh, plus seamless thermo welded parts The lower features a TPU heel counter, toe slider, and the Alpinestars