Alpinestars Roam 2 Waterproof Men's Street Motorcycle Boots (Black, EU Size 44) Technical synthetic material main upper construction, incorporating a durable microfiber front accordion flex zone with an extended flex area on the rear for improved Achilles-calf coverage New boot shaping gives greater comfort and incorporates ergonomic toe box construction for improved compatibility with bike's controls. Internal heel counter and toe box give boot enhanced structural integrity 100% waterproof membrane layered between upper and lining for proven performance in difficult weather conditions Alpinestars' exclusive vulcanized compound sole with unique side wrapping design The Roam 2 Waterproof is CE certified