A favourite style arrives in comfort and safety with the Relaxed Fit: Uno SR. This slip-resistant work design features a durable synthetic durabuck upper with a Skechers Air-Cooled Memory Foam insole and Skech-Air visible air-cushioned midsole. Slip-resistant rubber traction outsole. Skech-Air visible air-cushioned midsole. Skechers Air-Cooled Memory Foam cushioned comfort insole. Durable perforated synthetic durabuck upper with lace-up front. Skechers logo detail Safety Rating: O1 FO SRC No Protective Midsole Standard Fit Fuel Oil-Resistant Sole Not Tested for Sole Heat Resistance Not Water-Resistant Anti-Static Sole Reinforced Heel Slip-resistant rubber traction outsole Safety Rating: O1 FO SRC No Protective Midsole Standard Fit Fuel Oil-Resistant Sole Not Tested for Sole Heat Resistance Not Water-Resistant Anti-Static Sole Reinforced Heel Slip-resistant rubber traction outsole