Salomons S/LAB MTN SUMMIT boot strikes the perfect balance between the lightness needed to effortlessly go up, and the reliable performance required to ski down. The ultra-light Ultramid® Shell, 70 mm wide Dual Powerstrap and thin liner deliver the precise calf-wrapping and consistent tightness needed to conquer even the most extreme routes. The Custom Shell HD process brings complete boots personalization in 10 minutes from Top to bottom; Thin wall construction & new materials allow the foot to be closer to the shell. The Custom Shell HD process brings fast personalization to the boot lower shell of in 10 minutes. Thin wall construction & new materials allow the foot to be closer to the shell. Touring belt: A plastic strip, fixed to the inside of the boot and linked to the BOA Fit System's cable lace, enhances tightening and ensures perfect foothold for walking up and skiing down BOA Fit system: The BOA Fit System delivers a micro-adjustable, precision fit engineered to perform in th