The 509 Raid Boa® Boot delivers the ultimate in waterproof warmth, flex, and support to earn the title of most comfortable snowmobile boot on earth.
509 developed the 509 Raid Boa® Boot for long days in the coldest conditions. From the grippy outsole to the waterproof and insulated upper, it delivers the optimal balance of flex, support, warmth, and comfort, along with maximum durability where it matters most. 509 riders claim it’s the most comfortable boot yet, and with the dual Boa® system, you can fine-tune the upper and lower zone fit with the simple turn of a dial.
- Rugged high carbon outsole
- 5TECH™ waterproof breathable linerGenerous fit, for all day warmth and comfort
- 600 grams Thinsulate™ insulation for ultimate all-day warmthRaid Rubber upper reinforcements that can hold up to razor sharp running boards
- Dual Boa Lacing system with quick release M3 Lace reels, and aircraft stainless wire