Lining waterproof Reinforcements polyurethane heel guard ergonomic shin plate PU ankle reinforcement equipped with air intakes PU shift pad integrated in the upper Sliders interchangeable polyurethane toe slider anchored to the boots with 2 screws Closure elastic zip to allow an easier fastening wide Velcro® band Footbed anatomic replaceable Mid Sole reinforced PP differentiated thickness Sole mono compound ultra light with different grip area