The GT Ultraz Winter Booties EVO are designed with Assos’ dual-layer twinDeck textile construction, providing top-tier insulation and weather protection for the harshest winter rides. Developed as part of the ultimate stormproof gear lineup, these booties empower committed riders to take on any conditions. Enhancing the classic GT Winter ASSOSOIRES, the Ultraz version includes extra layers of fabric, amplifying warmth and shielding from the elements in the most demanding environments.