The Shifty Snowboard Boot is stuffed with an incredible amount of comfort and convenience. Inside the Shifty, ThirtyTwo's microfleece-lined Comfort Fit liner provides a cozy-warm feel without irritation. This liner is comprised of Intuition foam for an adaptive, heat-moldable fit that wraps our feet in heavenly comfort and molds to the unique contours of our feet as we ride throughout the season. Its internal lacing system tightens over the liner to eliminate heel lift, and the comfy Evolution Foam sole softly cushions and reliably grips on icy walkways.