The Rocky S2V Side Zip Composite Safety Toe Tactical Military Boot protects your foot, stands up to tough conditions and comfortable to wear all day long. Featuring a Ykk Side Zip making it easy to get on and off. The Triple Stitched Upper is made of flash and water resistant leather, and 1000-denier Coated Flame Resistant Cordura. Rocky Sieve Technology Drainage Vents circulate Air in and Push water out drying your feet quickly. Secure and Comfortable, The Rocky S2V has Roll-Stop Ankle Stability and Stretch Lycra securing your feet in place. A Vibram Outsole with proprietary high walls and shock absorbing polyurethane midsole further enhance stability..