【30% Lighter Than Steel Toe | 1.82 LBS Per #13 Boot】 – Built with the BigZone non-metallic safety toe and Dyna-Flex composite plate, these safety boots are 30% lighter than steel toe alternatives, reducing fatigue for construction crews, warehouse staff, and landscapers, so you stay energized through long hours.

【ASTM & CSA Certified | Maximum Protection】- The 5666 safety boots are ASTM F2413-24 and CSA Z195-14 certified for impact, compression, electrical hazard, and puncture resistance. Trusted protection for job sites, electrical work, and industrial environments where compliance matters.

【SafeTread Slip, Oil & Heat Resistant Rubber Outsole】- The rugged SafeTread outsole grips securely on slick concrete, wet metal, and oily workshop floors, while resisting heat up to 300°C (572°F). Combined with a direct-injected PU midsole and rot-resistant stitching, these work boots are suitable for welders, mechanics, and construction crews, no sole separation, no early breakdown.

【Easy Slip-On Comfort | Zero Break In】- Comfort from day one with no break in required. Fast slip on design with stretch side panels and spacer insert for adjustable fit. Breathable mesh lining keeps your feet cooler and drier all day. High rebound PU midsole and anti fatigue PU insole deliver instant support for long warehouse, logistics, and outdoor shifts.

【Sizing Tip | Fit Guide】 Runs slightly large. We recommend ordering half a size down. Refer to the size chart for exact measurements. If you are between sizes, size down for the best fit. Use the included spacer insert to fine tune fit if needed.