Designed for lasting comfort and safety, Propper Series 100 8" Side-Zip Composite Toe Boots are ideal for U.S. Army (with approval) and Air Force authorized. These boots feature a high-quality cattle hide suede and nylon upper that can withstand wear and tear. A premium memory foam insole provides optimal comfort, while open cell foam keeps your feet cool when the heat is on. An anti-microbial lining inhibits odor-causing bacteria, while a side zipper and speed lacing system allows for quick on/off. With an ASTM F2413-11 rated safety toe that surpasses I/75 and C/75 Impact and Compression Resistance and EH Electric Hazard standards, these military boots are tough enough to take on any mission.