Men's KEEN High-Top Light Duty Aluminum Toe Work Boot. Clock into comfort wearing the KEEN San Antonio Aluminum Toe work boot! These durable boots have a breathable synthetic upper, TPU shank for midfoot support, odor controlling Cleansport NXT? technology, a removable insole so you can customize your fit, a slip-resistant rubber outsole so you'll step with confidence, and padded design elements to keep you comfortable hour after hour. You love what you do so love what you wear with these comfort and safety focused San Antonio Aluminum Toe work boots by KEEN!