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