The Steel Toe Safety Overshoes from Steel-Flex are made from a completely waterproof and crack resistant TPR material that offers a durable, slip-on safety-toe solution for any environment in which there is a risk of toe damage or where a steel toe cap is required. In addition to offering toe protection, they are also slip-resistant and an excellent temporary option to steel toe shoes for visitors or casual workers.They are color coded by size for easy identification and are designed to fit over most soft-toed shoes on either the right or left foot. The Steel-Flex Steel Toe Safety Overshoes are continually tested to meet safety standards and are CSA Z334 and CE approved.