Skechers Work 108147EC UNO SR - ELAINY Womens Safety Trainers Black/White. Features a synthetic upper and textile lining with a synthetic sole. Lace-up closure for a secure fit. Designed for comfort with Memory Foam and Air-Cooled Memory Foam insoles, plus a Skech-Air midsole. Round toe shape and a relaxed fit. Low heel height. Safety features include an Anti-Penetration Mid Sole, Anti-Static Sole, Composite Toe Cap, Fuel/Oil Resistant Sole, and Slip Resistant Sole. Meets EN ISO 20347:2012 safety standard. Safety Classification: S3.