Shock Mitigation SystemTM Zhuangjihuanchong Xitong Teshunaizhen configuration, Xie Diji Xiegenduozhong Xishouchongji soles of Cai Zhi Zai Ju You also uses non-slip, oil's high stability inside YKK zippers boots Cai Yi Chuantuo type arc Design of carbon-based rubber sole (oil resistant / slip / low noise) against the blood of bacteria inside the Drilex with enhanced tactical climbing rubber toe heel part of the additional enhanced by abrasion rubber shoes in the dorsal lateral friction Department has rope control three-tiered enhanced the overall use of non-magnetic material sewn anti-static and anti-broken umbrella rope Color: Black