Heated Side Boot Pockets September 4, 2017 S Innovations, Thermal Trekker Go Thermal. Dual contoured, insulated and heated side ski boot pockets designed for the most effective heating of alpine boots. TT More Stories Full Side Zippers Get to your boots quickly. Extended zippers allow the ski boot pockets to open wide… Length Extender Got longer skis? Kantaja Double Roller comes equipped with a zipper activated extension to expand… All-Terrain Wheels Tough outboard wheel system for reliable and smooth transportation through various ground conditions.