6 Inch Waterproof & Blood Pathogen Resistant Tactical Boot features Leather & Nylon upper with waterproof and blood born pathogen membrane which protects the wearer from blood-borne pathogens and moisture. 's tactical boot also features a moisture wicking lining to ensure optimal comfort and dryness. The side zipper with hook & loop zipper keeper tab was strategically designed so that the boots can be put on and off quicker than the traditional lace-up military boots. Additional features of the boot include removable insoles and gusseted tongue for additional comfort, steel shank and D-ring eyelets. The slip-resistant cup sole provides maximum grip.