Alpinestars Ridge Waterproof Men's Street Motorcycle Boots (Black, EU Size 44) Upper constructed from a durable, technical synthetic textile and incorporates microfiber front and rear accordion flex zones for high levels of performance and comfort Waterproof membrane layer between upper and lining for proven performance in difficult weather conditions Dual closure system: adjustable Velcro strap across the instep for a secure and personalized fit, plus Velcro closure across lower shin. Closure pull-tabs are tipped with rubber compound to improve grip when fastening Contoured, high modulus midsole follows shape of foot and incorporates a structured shank reinforcement Alpinestars' exclusive vulcanized compound rubber sole with unique side wrapping design, built to withstand the demands of life on the road.