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The Alpinestars SP-X BOA is a mid-height sport and sport-touring boot built to sit under riding pants and still be comfortable to walk in. It pairs a Rideknit and knitted mesh upper with a TPU heel counter, toe slider, shin protector, dual-density ankle discs and the Transversal Protection Frame in the sole, so it covers protection without the bulk of a full race boot. Closure is a medial zip plus the BOA speed lace system, and a PU midsole with a cushioned heel and removable OrthoLite insock targets off-bike comfort. It suits riders who want race-derived coverage for commuting and sport touring but prefer a lighter, walkable boot over a stiff full-race design.
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The SP-X BOA is a compact, mid-height sport boot for sport and sport touring riders. It is designed to fit under tech riding pants and to be easy to walk in, with protection and comfort on and off the bike.
The upper combines Rideknit material, knitted mesh and seamless thermo-welded parts. Knitted areas at the front and back flex points allow freedom of movement. The lower has a TPU heel counter, a toe slider and the Alpinestars Transversal Protection Frame (TPF) on the sole, which protects against impacts, bending and twisting. The sole has an asymmetric back heel to support a natural stride and stability off the bike.
Protection includes an integrated shin impact protector, dual-density ankle discs, a TPU shift pad and toe slider reinforcement. The PU midsole has an integrated double cushioned heel compound and a removable OrthoLite insock. A medial zip and the BOA speed lace system make the boots easy to put on and take off and close them precisely.
