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. Durable microfiber upper construction offering superb levels of flexibility and comfort. Incorporating a waterproof and breathable membrane for high levels of comfort and weather performance. Ergonomic new last for forefoot streamlining to enable greater precision on the bike's controls and for superior, wide-ranging foot profile, fit and comfort. New, ergonomically optimized TPU shin plate protector is race-derived for superior impact and abrasion resistance. Lateral TPR-injected ankle support construction offers optimized levels of protection and stability.