SOFT TOE: Left and right asymmetrical KEEN.PROTECT soft toe caps help safeguard against minor impact that meet or exceed ASTM F2892 EH standards, but are not reinforced with a secondary crush resistance material WATERPROOF: KEEN.DRY is a waterproof, breathable membrane liner that lets vapor out without letting water in for keeping your feet dry and comfortable; The Detroit XT Mid Soft Toe work boot has a mesh liner that integrates with the waterproof membrane TRACTION: Oil- and slip-resistant, non-marking, rubber outsoles; Lug sole patterns provide grip even on slick surfaces; Meets ASTM F1677 Mark II and ASTM F2913 SATRA non-slip standards SUPPORT & UNDERFOOT PROTECTION: Featuring a contoured heel lock, and KEEN.KEY-TECH FLEX, which is a full length TPU interlocking torsional plate for underfoot support that provides structure, stability, and comfort COMFORT: This boot is made with a removable metatomical PU footbed, and dual-density compression EVA midsole for long-lasting comfort