Brand new, never worn M1 BOA Fit System - Simple and secure shell lacing that tightens with the twist of the M1 BOA Dial. Fast-In Liner Lacing - No frills liner lacing that stays tight and supports all-day resort riding. Comfort Foam 3D Liner - Soft and warm foam focused on a forgiving flex and excellent out-of-the-box fit. Low-Pro Outsole - A lightweight and solid rubber outsole that grips hard and lasts long. Flex Zone Upper - A small flexible notch at the boot's instep allows for a smooth forward flex with minimal shell distortion.