Lighter weight than our original Flint, the new Flint II offers better traction and comfort with a durable rubber siped outsole and our innovative KEEN.ReGEN cushioning midsole for optimal underfoot support. Left and right asymmetrical KEEN.PROTECT soft toes help safeguard against minor impact, but not reinforced with a secondary crush resistance 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 foam Shellback heel support Locking metal lace hooks Removable metatomical PU footbed KEEN Men's Flint II Boot 1023242