The Atomic mens B:9 ski boots have a thermo-moldable liner that eliminates the break-in period of the boots and molds to your specific foot shape for better control and comfort. Micro Canting adjustments and adjustable lean let you set the Atomic B:9 boot to complement your skiing style. A 35mm powerstrap and stiffer flex let you drive your skis with ease. *Therm-ic Power Pack Max sold separately.