The 509 Raid Single BOA Boots feature the latest BOA lacing system for a more responsive and comfortable ride. The new high-capacity H4 reel recoils slack quickly and tightens powerfully to bring newfound fit and response to snowmobile boots. Stainless, aircraft-grade braided wire and updated smoother sliding lace guides create a more even and secure fit. Waterproof and breathable with 600 grams of Thinsulate insulation to keep you warm and dry.

• Rugged High Carbon outsole is strong enough to stand up to running boards, and soft enough to grip in snow and ice
• 5TECH waterproof breathable liner
• 600 gram Thinsulate insulation is placed inside the waterproof breathable bladder, making a warmer and drier, and more comfortable construction
• Raid Rubber Rand upper reinforcements that can hold up to sharp running boards
• BOA H4 lacing system, Stainless Wire, and Boa guides for fast hassle free customized fit