Features 4mm multi directional lugs Contoured heel lock KEEN.Dry waterproof breathable membrane Torsion stability ESS shank KEEN.DRY waterproof, breathable membrane Eco Anti-Odor for natural odor control Environmentally preferred premium leather from LWG-certified tannery PFC-free, durable water repellent Material Waterproof nubuck leather upper Non-marking rubber outsole Dual density compression molded EVA midsole Hydrophobic mesh lining Removable metatomical dual density EVA insoles Technologies KEEN.DRY A proprietary waterproof, breathable membrane that lets vapor out without letting water in. Metatomical Footbed Design This internal support mechanism is anatomically engineered to provide excellent arch support and cradle the natural contours of the foot. Weight & Dimensions Weight: 17.4 oz / 493.3 g Collar Height: 6.0 in / 15.2 cm Keen Men's Targhee II Mid Waterproof Boot | GWC