ANSI-rated non-metallic Nano-tech toe cap provides superior lightweight, comfortable protection. Meets ASTM F2413-18 M I/75 C/75 EH Meets ASTM-471 for Oil Resistance, ASTM F-1677 for Slip Resistance WIXIT Cool-Clad wicking airmesh lining with added micro-dot perforations; Wicks away moisture and allows the air to flow more than traditional airmesh; Keeps the foot cooler in warmer temperatures Solid rubber, long-wearing oil-resistant outsole for traction and durability Rigid triple-layer toe and heel reinforcements Orange treatments to indicate safety Double achilles heel and instep reinforcement for comfort and protection Removable molded EVA sockliner Features unisex sizing Adjustable Gusset Style - customize to fit larger calves for optimum comfort and protection with our expandable gusset and adjustable locking strap; Extra room also accommodates layers of clothing being tucked into the boot Steel shank for added arch support Safety matters! Protection meets all-day comfort with our adjustable gusset and WIXIT Cool-Clad lining!