The USA-made Sierra is a versatile, three-season boot for the hunter who pursues a variety of game. The Vibram 1276 Sierra outsole tracks steadily over diverse terrain. Full-Grain Leather & Cordura® Upper: Known for its resistance to abrasions, tears and scuffs, Danner have 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 Insulation: High-performance insulation that keeps you warm in the snow and rain without weighing you down. Vibram® 1276 Sierra Outsole: Lightweight comfort with superb shock absorption, this outsole uses a rubber compound that guarantees great traction and stability on both wet and dry surfaces. Stitchdown Construction: Handcrafted to provide a wider platform, Danner's legendary stitchdown construction offers increased stability underfoot. Many of our stitchdown boots can be re-crafted. Re-craftable: Extend the life of your boot with Danner's re-crafting services. This boot is eligible for a number of paid services, including part replacement, leather care and restitching. 365-Day Warranty: If you suspect your purchase isn’t up to Danner's unrelenting standards, or is defective in any way, they want to make things right. Danner offer a 365-day warranty across their entire footwear line.