The charge s3 is a non-metallic safety trainer with a composite toe and an src rated slip resistant rubber outsole. Flexible and lightweight non metallic sneaker. Removable pu foam footbed. Mesh lining for added breathability and comfort. Water resistant esd safety trainer. Composite fiber glass toe protects against impact and compression of 200 joules. Srx best-in-class, slip-resistant rubber outsole reduces the risk of slips and falls on low traction surfaces. Flexible and lightweight non metallic sneaker. Removable pu foam footbed. Mesh lining for added breathability and comfort. Composite fiber glass toe protects against impact and compression of 200 joules.