Protective Work Boot. Safety matters! Steel-toe protection and all-day comfort! Solid rubber, long-wearing outsole for traction and durability. ANSI-rated steel toe for safety. Meets ASTM F2413-11 M I/75 C/75 EH. Meets ASTM-471 for Oil Resistance and ASTM F-1677 for Slip Resistance. Rigid triple-layer toe and heel reinforcements. Yellow treatments to indicate safety. Double achilles heel and instep reinforcement for comfort and protection. Removable molded EVA sockliner. Features unisex sizing. Built on a men's last. Women's sizes are men's plus one. Box has only men's sizing. Steel shank for added arch support.