This boot is for the skier concerned about keeping their feet comfortable and warm all day. From the begineer to lower level intermediate skier, the Perfroma 4 will allow a skier to ski all day in comfort. The Salomon PERFORMA is all about customization to fit all feet. Performa is also designed to be simple and easy to wear. With the addition of high-tech features, performa is the perfect ski boot for recreational to advanced skiers. Flex Rating (Stiffness): 65, Boot Last (Width): 101mm, Skier Type: Sport, Micro Adjustable Buckles: 4, Cuff Adjustment: No Bi-material PP shell, Walkadin pads, Air shin pillow-Shock absorbing tongue,