Danner - Raptor 400gm 8 GTX (Brown) - Mens: All the high grade quality and components of the Santiam with a full-grain leather and Cordura upper, and the Danner Bob sole for extra traction in snow and mud. 2.0-2.2mm full-grain leather upper with 1000D Cordura fabric. Waterproof Gore-Tex bootie for warmth and comfort. Cambrelle nylon lining. 400 gm Thinsulate Ultra insulation. Single density footbed. 4.3mm rubber and 5.5 mm PU midsole. Recraftable Stitchdown construction. Patented Danner Bob outsole for superior traction in mud and snow. Weight: 71 oz.