The USA-made Danner SierraTM 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. ThinsulateTM Insulation keep feet dry and warm while the full-grain leather and Cordura combine upper with Danners famous stitchdown construction for outstanding durability. and stability underfoot. The Danner Sierra is crafted with high quality and recraftable!