From the park to the trails to the backcountry and more, the Nitro Sentinel TLS Snowboard Boot is designed to take on any terrain with comfort and ease. This boot makes sure you stay comfortable all day long on the slopes. It features a rubber outsole, TLS 5 twin lacing system, re/lace liner locker and much more.Specs:Flex: Medium Lacing System: Quick Lace Fit: Comfort Liner: Cloud 2 Liner Intended Use: All Mountain