Lighter weight than Keen's original Flint, the Flint II Mid offers better traction with a siped, EH-rated rubber outsole and more comfort with their KEEN.ReGEN cushioning midsole that lasts the work day and beyond. Left and right asymmetrical steel toes offering maximum comfort and unobtrusive fit KEEN.DRY waterproof, breathable membrane Oil- and slip-resistant non-marking rubber outsole Electrical hazard (EH) rated - providing a secondary source of protection in case of accidental contact with live electrical circuits Siped outsole disperses liquids quickly for increased traction Reflective webbing for additional safety and visibility External Stability Shank (ESS) for midfoot support KEEN.ReGEN: A lightweight, compression-resisting midsole providing 50% more energy return than standard EVA foamKEEN.ReGEN: A lightweight, compression-resisting midsole providing 50% more energy return than standard EVA foam Shellback heel support Locking metal lace hooks SAFETY RATING Meets ASTM F1677-96 MARK II Non-Slip Testing Standards Meets ASTM F2412-17 and F2413-17 F I/75 C/75 EH Standards Meets ASTM F2913-17 SATRA Non-Slip Testing Standards TOE TYPE Steel Toe DUTY TYPE Light Duty MATERIAL Waterproof leather/mesh upper Oil- and slip-resistant non-marking rubber outsole KEEN.ReGEN: A lightweight, compression-resisting midsole providing 50% more energy return than standard EVA foam Mesh & moisture-wicking textile lining Removable metatomical PU footbed WEIGHT 25.8 oz / 731.4 g COLLAR HEIGHT 5.0 in / 12.7 cm Keen Men's Flint II Steel Toe Waterproof Boot