KEEN Women's Targhee II Mid Waterproof Hiking Boot,Monument/Iguana,8.5 M US 100% Waterproof nubuck leather Rubber sole Shaft measures approximately 4.5" from arch Heel measures approximately 1.5" Platform measures approximately 1" KEEN.DRY waterproof, breathable membrane^Removable dual-density EVA foam footbed^Torsion stability ESS shank^Compression-molded EVA foam midsole^Waterproof leather