Original S.W.A.T. Men's Chase 9" Waterproof Boot 100% Leather Imported Rubber sole Shaft measures approximately 8.5" from arch Heel measures approximately 1.5" Platform measures approximately 1.0" Chase outsole: slip and oil-resistant non-marking rubber with siping exceeds the ASTM F2913-11 test for slip resistance Waterproof full bootie construction Heel flex notch for increased mobility and Achilles tendon comfort Airport friendly nylon shank for lightweight support and fatigue control Custom-molded thermoplastic heel counter and toe box for instant comfort and lateral support