ALPINESTARS SMX S racing boots

With a durable microfiber upper for comfort and fit and incorporating a host of advanced protective features, inside and out, the SMX-S Boot features an ergonomic forefoot shaping, a breathable lining and Alpinestars’ exclusive rubber compound sole for optimized levels of support and performance. Features: - Innovative air vents at the ankle, heel and forefoot are covered with a specially designed mesh to provide unmatched levels of rider comfort. - Large ‘throat’ profile instep and Achilles flex bellows for superior flex and comfort. - MTP mesh liner and anatomical, removable, PU Foam foot bed keeps the foot cool and comfortable. - Innovative inner (medial) side entry opening/closure system that features an elastic mounted zipper with an extra wide Velcro® flap, to give a precise, comfortable fit and wide opening aperture for ease of access. - Highly ergonomic last for ultra precise fit. Construction: - Durable, high-tech micro-fiber upper construction offering a high level of flexibility. - Double injected PU shields the shin, ankle, calf, toe and heel from impact while minimizing abrasion. - Inner protection is given by a double injected panel connected to the heel counter, hidden beneath the outer shell and running up the outer ankle. - Quick drying polyamide lining is laminated with open cell foam and high density contoured padding to absorb shocks to the foot area. - Exclusive compound rubber sole features structured shank reinforcement for added support to the arch area. - Interchangeable bi-injected PU toe slider with snap-in assembly. Protection: - The SMX 5 boot is CE certified.