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
• Generous fit, for all day warmth and comfort
• 600 gram Thinsulate™ insulation is placed inside the waterproof breathable bladder, making a warmer and drier, and more comfortable construction
• BOA® H4 lacing system, Stainless Wire, and Boa guides for fast hassle free customized fit