The Powerplant SB Safety Boot from Cat features Goodyear Welted Construction and Nitrile Rubber outsole, 200 Joules Steel toe cap, removable PU footbed, padded PU collar, triple stitched seams, outsole heat resistance to 300C, energy absorbent heel 200 Joules Steel Toe Cap PVC Midsole Removable PU Footbed Goodyear Welted Construction Padded PU Collar for Comfort Triple Stitched Seams Goodyear Welted Nitrile Rubber Outsole Outsole Heat Resistant to 300 Degrees Fuel & Oil Resistant Outsole Energy Absorbent Heel