Full-Grain Leather & Cordura® UpperKnown for its resistance to abrasions, tears and scuffs, we combined Cordura Denier nylon with our full-grain leather to create an incredibly strong and durable upper.GORE-TEX (GTX)100% waterproof and breathable, GORE-TEX liners ensure that no water gets in, while allowing sweat and moisture to get out.200G Thinsulate InsulationHigh-performance insulation that keeps you warm in the snow and rain without weighing you down.Vibram® 1276 Sierra OutsoleLightweight comfort with superb shock absorption, this outsole uses a rubber compound that guarantees great traction and stability on both wet and dry surfaces.Stitchdown ConstructionHandcrafted to provide a wider platform, our legendary stitchdown construction offers increased stability underfoot. Many of our stitchdown boots can be recrafted.How It FitsThe 650 last offers a sleek, slender profile with a more narrow fit. Boots on this last tend to fit those with a more narrow foot better than those with a wider foot. This ensures a snug fit for terrain and activities that demand support and stability. If you do have a wider foot, we recommend ordering an "EE" (wide) in this style.RecraftableExtend the life of your boot with our recrafting services. This boot is eligible for a number of paid services, including part replacement, leather care and restitching.