The next generation in Tech design and performance, the Radical ST 2.0 has the a new standard of retention. The all new rotational toe allows for shock absorption and recovery from dynamic movements coming from high end skiing. With the standard ST heel in conjunction, the Radical ST 2.0 allows for top tier skiers get maximum retention and power transfer from their boots to their skis. ** All Radical bindings include an upgraded internal heel-pin. Features: Rotational toe for shock absorbtion UPDATED mounted brakes to meet all DIN standards for North America Material: Forged Aluminum, CrMo steel, high-strength plastic, stainless steel 599g DIN 4-10