Built from full-grain leather and 1200D nylon, the ATAC Storm boot just may be the perfect work boot. YKK side zipper for quick on/off. Waterproof and breathable design with an antibacterial and moisture-wicking lining. Includes the trademark Shock Mitigation System which combines construction components to offer the ultimate in support for high-impact activities. No break-in period required; the ATAC Storm Boot is comfortable to wear right out of the box. Oil and slip resistant outsole is quiet even on wet surfaces. Hidden pocket in the nylon upper holds a small knife or handcuff key. Guaranteed against defects in workmanship and materials.