High-performance Alpinestars boots. Black and white color scheme. Durable and protective. Size 11,5 used but in good condition 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.