Introducing the Men's CSA Philadelphia 8" Composite Toe Insulated Work Boots by Keen, expertly crafted for durability and protection. These boots feature left and right asymmetrical, non-metallic carbon-fiber toes, and a full-grain waterproof leather construction with a KEEN.DRY waterproof, breathable membrane. Their robust design includes oil- and slip-resistant non-marking rubber outsoles and a non-metallic, flexible woven-textile puncture-resistant midsole plate. Enhanced for comfort and warmth, they incorporate 600G KEEN.WARM insulation, a thermal heat shield footbed, and KEEN LUFTcell dual-density PU midsoles infused with air.