The Arctic Boot brought extreme cold-weather protection to KLIM s unbeatable boot lineup. 1200 Grams of 3M™ Thinsulate™ Insulation throughout the main body, 600 Grams of 3M™ Thinsulate™ Insulation in the midsole and 300 Grams of 3M™ Thinsulate™ Insulation laminated into the removeable insole guarantee absolute warmth in all conditions. Moisture wicking liner materials, durable exterior panels and a highly-breathable substructure only start an intense list of features. For riders wanting maximum heat retention, durable GORE-TEX® GUARANTEED TO KEEP YOU DRY® waterproof performance and solid foot and ankle support, there is no better boot than the Arctic from KLIM. Features Guaranteed to Keep You Dry® Gore-Tex® insulated comfort footwear technology 1200 gram Thinsulate™ insulation delivers maximum warmth in the most extreme cold conditions Thinsulate™ located inside Gore-Tex® membrane for maximum warmth 600 gram Thinsulate ™ insulation embedded in mid-sole 400 gram Thinsulate™ insulation laminated into removable insole Dual durometer sole for max traction in varied conditions/temperatures Kicker toe piece resists wear from tunnel bolts Stiff durable board disperses shock and protects bottom of foot Multi-layer substructure constructed from perforated materials to increase overall breathability Moisture-wicking liner plush liner materials Ankle cutout promotes forward flex High quality, anti-slip, moisture-resistant laces Internal eva foam cushions top and tips of toes Anchored lace loops for serious cinch-down power Use of a technical sock is required to ensure Gore-Tex® footwear top performance Replacement laces available