SP-X BOA Boots

SP-X BOA Boots by Alpinestars. Available colorways: Black, Black/Silver.

• 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 Transversal Protection Frame (TPF) on the sole, allowing for high levels of protection against impacts and any bending or twisting
• Additionally, the sole also features an all-new design with an asymmetric back heel to facilitate the rider's natural stride and promote off-bike stability
• For protection, the SP-X has an integrated shin impact protector, dual-density ankle discs, plus TPU shift pad and toe slider reinforcement
• For comfort, the knitted areas on the front and back flex points offer great freedom of movement, while the PU midsole with integrated double cushioned heel compound and removable OrthoLite® insock, provide great walking comfort
• In and out is facilitated by a medial zip combined with the BOA speed lace system for compact and precise closure
• SP-X boots are perfect for those sport riders looking for coverage and protection but without the full race boot, over the pant look