Skechers Work 200054EC UNO SR - SUTAL Mens Trainers Black. Upper Material: Synthetic. Lining Material: Textile. Sole Material: Rubber. Closure/Fastening: Lace-Up. Features: Comfort. Toe Shape: Round. Shoe Width: Regular. Item Weight: 1.2 KG. Heel Height: Flat (Under 2.5cm). Trainer Style: Occupational/Non-Safety Trainers. Safety Features: Slip Resistant Sole, Fuel/Oil Resistant Sole. Safety Standard: EN ISO 20347:2012 FO SRC. Product Code: 200054EC/BLK. Comfort, style and safety combine easily in Skechers Work™ Relaxed Fit®: UNO SR - Sutal. This roomy utility lace-up features a smooth and sporty perforated synthetic upper with an Air-Cooled Memory Foam® insole, visible Skech-Air® airbag midsole, and slip-resistant traction outsole.