Certified to EN ISO 20345 S3 SRC Molded TPU toe bumper Molded TPU heel overlay Non-metallic hardware Reflective details Moisture wicking and breathable air mesh lining Composite Safety toe Metal free nail penetration protection Open cell PU footbed - lightweight, breathable and provides long lasting cushioning and moisture management Lightweight and cushioning EVA midsole with rubber outsole Slip resistant Abraision resistant Fuel and oil resistant Non-marking