ALPINESTARS 2223517-12-37 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.- D