COMPOSITE TOE: Left and right asymmetrical, non-metallic carbon-fiber toes, a composite material, offer an unobtrusive fit and are 15% lighter than steel; The Vista Energy+ Shift work sneakers meet or exceed ASTM F2412 and F2413 M I/75 C/75 SD standards TRACTION: Oil- and slip-resistant, non-marking, rubber outsoles; ESD footwear is constructed to reduce excess static electricity by conducting the charge from the body to the ground; Meets ASTM F1677 Mark II and ASTM F2913 SATRA non-slip standards WATER RESISTANT: Moisture-wicking textile lining transports moisture away from feet; Full grain water-resistant leather provides a barrier against liquid absorption and helps preserve the quality of the leather over time SUPPORT: These shoes are made with KONNECTFIT heel-capture system for a locked-in feel, and 100% non-metallic construction for passing through metal detectors; A nylon shank used for midfoot support, and torsion stability COMFORT: Made with KEEN.ReGEN a lightweight, compression-resisting midsole providing 50% more energy return than standard EVA foam for lasting support and comfort