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 boot to ride from first chair to last. The BOA Fit System delivers micro-adjustable, precision fit engineered to perform in the toughest conditions. BOA Fit System for micro-adjustable precision fit Comfy Tongue for all-day cushioning Evolution Foam outsole Comfort Fit liner Women&';s specific last, soft flex