La Sportiva Men's FC ECO 2.0 GTX Hiking Shoe 100% Leather and fabric Synthetic sole WEIGHT: 16.47 oz/ 467 g LAST: Trango 2 CONSTRUCTION: Board Lasted UPPER: Nubuck Leather/ 100% recycled Nylon Mesh/ Uretech LINING: Gore-Tex/Dri-Lex Bristol 40% Recycled Nylon MIDSOLE: Dual-density ECO Trailon/ 2mm LaSpEVA/ TPU shank SOLE: Vibram River with Impact Brake System Eco-Step