The Crispi Briksdal Pro GTX 10" Insulated Hunting Boots are a true mountain boot. The asymmetrical lacing system allows the user to customize their lacing. This allows the user to better navigate technical terrain. These waterproof boots ensure your feet stay protected and comfortable all day. The Briksdal Pro are constructed with the highest-quality Nubuk leather available on the market and insulated with 200 grams of Gore insulation. The Briksdal Pro has got you (and your ankles) covered. FeaturesGORE-TEX insulated comfort footwear liningVibram sole with dual-density polyurethane shock absorbing midsoleGore 200 gram insulationWater-repellent NubukNylon stretch tongueRubber rand protectionAsymmetrical lacing systemHeight 10" Average weight per pair 4.0 lbs.