Description One of our lightest yet, this boot features an air-injected midsole and aluminum safety toes, plus 90Â heel for grip and KEEN.DRY waterproofing to keep you dry.KEEN.DRY waterproof, breathable membrane seals out moisture from the insideHeat-resistant rubber outsole rated up to 572ÂF/300ÂCSiped outsole channels water away for better grip on wet surfaces.Cement contruction for flexible, lightweight performance.Environmentally preferred premium leather from LWG-certified tannery for cleaner waterKEEN Luftcell midsole infused with 100,000 microscopic air bubbles per cubic centimeter for all-day comfortElectrical hazard (EH) or Electric Shock Resistant (ESR) footwear helps provide a secondary source of protection in case of accidental outsole contact with live electrical circuitsMesh liner provides breathability to help keep feet cool in warm environmentsRemovable metatomical insole for comfort and support