Alpinestars SMX S WP Boot A new addition to the to Alpinestars class-leading SMX range, the SMX-S Waterproof is constructed from a durable microfiber that incorporates class-leading performance and protective attributes as well as a breathable and waterproof membrane. Key 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 Sizing Guide (UK) 4 38 5 39 6 40 7 41 8 42 9 43 10 44 11 45 12 46 Whilst you probably know the approximate size you need, please bear in mind that Alpinestars may be smaller than your current motorcycle boots, so you may need to go up a size to ensure a comfortable fit. Please use the size guide to help in finding which size boot you need, note this is only a guide and cannot determine an exact size. Quick code-SMXSWP

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