The Ridge V2 Drystar® Boot incorporates a technical synthetic material main upper construction incorporating punched microfiber on the lateral panel & durable microfiber on front & rear accordion for high levels of performance, mobility & comfort Construction Extensive front & rear accordions flex zones constructed from microfiber for superior comfort, extension, control & support. Microfiber shell retains shape while offering durability Medial zipper closure with a zip covered from flap hook & loop grip closure for a better & more secure ride High modulus TPU injected shift pad for shock protection & durability Alpinestars Drystar® membrane for guaranteed waterproofing & breathability in difficult weather conditions New boot shaping provides long-lasting comfort & incorporates ergonomic toe box construction for greater compatibility with bike’s controls Protection Ridge V2 Drystar® boot is certified to certified EN 13634:2010 Double layer hot-melt reinforcement on shin plate for weight-saving & protection against impacts Complete ankle protection: Dual density ankle protectors on medial & lateral sides are reinforced with poly-foam padding for protection & comfort Features Contoured, high modulus midsole follows shape of foot & incorporates a structured shank reinforcement Removable anatomic foot-bed features EVA foam & textile for memory & comfort Alpinestars’ exclusive vulcanized compound rubber sole with unique side wrapping design, built to withstand the demands of touring