Left and right asymmetrical steel toe design provides a roomier toe box for maximum comfort and an unobtrusive fit; The Flint Mid Steel Toe work boots meet or exceed ASTM F2412 and F2413 /75 C/75 EH standards KEEN.DRY is a waterproof, breathable membrane liner that lets vapor out without letting water in for keeping your feet dry and comfortable; These work boots have a mesh liner that integrates with the waterproof membrane Built on a specific women’s foot form that is wider than the industry norm for improved fit & comfort; The sizes listed are women’s and fit true to size; Made with reflective webbing for additional safety and visibility Oil- and slip-resistant, non-marking, rubber outsoles are used for improved traction that meet or exceed ASTM F1677 MARK II and ASTM F2913 SATRA Non-Slip Testing Standards; Lugged tread outsoles wider channels help provide superior traction Made with KEEN.ReGEN a lightweight, compression-resisting midsole providing 50% more energy return than standard EVA foam for lasting support and comfort; CleansportNXT provides natural odor protection using probiotic KEEN.ReGEN cushioning midsole, a highly slip-resistant rubber outsole, and these hiking-inspired work boots are not only built for a woman’s foot but protects feet with its steel toes and underfoot support. Weighing 21.3 oz (per boot). KEEN Utility products offer removable insoles. These dependable work boots are great for light-duty work in construction, maintenance, and landscaping.