Solid rubber long-wearing oil-resistant outsole for traction and durability - WIXIT Cool-Clad wicking airmesh lining with added micro-dot perforations; wicks away moisture and allows the air to flow more than traditional airmesh - Removable molded EVA sockliner - Double achilles heel and instep reinforcement for comfort and protection - Rigid triple-layer toe and heel reinforcements - Steel shank for added arch support - Orange treatments to indicate safety - Adjustable gusset to customize fit for larger calves for optimum comfort and protection - Expandable gusset with an adjustable locking strap and allows for layers of clothing to be tucked into boot - Meets ASTM-471 for Oil Resistance - Meets ASTM F-1677 for Slip Resistance - ANSI-rated non-metallic nano-tech toe cap provides superior lightweight comfortable protection - -