Bates Tactical Side Zip boots for men are built to last with durable full-grain leather (Black), with durable suede leather and with toe and heel outsole stitch. Lightweight and strong Performance Denier Polyester with an easy on/off YKK side zipper. This boot actively pulls moisture away from the foot with moisture-wicking lining, form-fitting and breathable removable PU insert. This is made with a modified last for better foot position with energy returning lightweight CMEVA midsole . This boot has full movement flexibility with outsole flex channels and the outsole exceeds industry standards for slip-resistant and oil resistant