Danner Comfort System delivers best-in-class durability, support and comfort. Danner Dry waterproof protection. Body fluid borne pathogen resistance meets or exceeds NFPA 1999-2013 sec 13 7.4 2.7 and ASTM F1671-13 standards. Semi-locking side-zip. Anatomical design and broader toe box for responsive fit. Patent-pending plush dual-density footbed for cushioning, underfoot venting for maximum airflow and Airthotic heel clip for support. Danner Lookout slip-resistant outsole with pentagonal lug pattern for superior traction and maneuverability. Non-metallic toe meets or exceeds ASTM F2413-11 M I/75 C/75 EH. Durable, waterproof, polishable leather and ripstop ballistic nylon upper. Boot height: Approx. 5 1/2'' Tall.