Classic style, amazing comfort and work-ready safety come in the SKECHERS Work Relaxed Fit: Sure Track - Bernal SR shoe. Smooth leather upper in a slip on closed back slip resistant work clog with Memory Foam insole and flexible SR outsole. Soft fabric shoe lining. Relaxed Fit design for a roomy comfortable fit. Memory Foam cushioned removable comfort insole. Shock absorbing lightweight flexible midsole. 1 1/4 inch built in heel. Flexible nitrile rubber slip resistant traction outsoleDetails: OSHA compliant slip resistant nitrile rubber outsole. Sole is oil and chemical resistant. Slip resistant tested ASTM F1677-96 Mark II to meet or exceed a .5 even on wet and oily surfaces. Electrical Hazard (EH) Safe design. EH Safe tested ASTM F2412-05.