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. GORE-TEX waterproof breathable lining and 200 G. Thinsulate Insulation keep feet dry and warm while the full-grain leather and Cordura upper combine with Danner’s famous stitchdown construction for outstanding durability and stability underfoot. 100% waterproof, breathable GORE-TEX lining for the ultimate in comfortable, breathable waterproof protection. 200 grams of Thinsulate Insulation offer lightweight warmth for those needing protection in cold climates. Full-grain leather and Cordura upper materials are extremely resistant to abrasions, tears, and scuffs. Cordura improves breathability, and dries quickly. Danner’s hand crafted stitchdown construction provides a wider platform for increased stability underfoot. This construction makes the boot recraftable in our Portland factory. Vibram 1276 Sierra outsole features a specific design and placement of the multi-directional lugs for maximum traction and stability over various terrains, including wet and cold conditions. Features a fiberglass shank.