Ride in comfort all day with the Shifty. Built to be a pillow on your feet with a cushy Comfy Tongue, soft Evolution Foam outsole and plush Comfort Fit liner, it's the perfect boot to ride from first chair to last. Comfort Fit Boot Liner - Constructed With Dual Density Intuition Foam Allowing For Moderate Support And A Soft Flex, Lined With Micro Fleece For Superior Warmth And Comfort, 100% Heat Moldable For A Customized Fit Comfort Footbed - Molded Footbed Traditional Lacing System - Standard Lacing System for Most Customizable Fit Flex 4/10 Ride in comfort all day with the Shifty. Built to be a pillow on your feet with a cushy Comfy Tongue, soft Evolution Foam outsole and plush Comfort Fit liner, it's the perfect boot to ride from first chair to last.