The Ironbridge MG lace-to-toe style steps up to include a rigid steel metatarsal guard, creating the ultimate work boot. Technical and safety features: Steel toe cap Slip resistant sole Rigid steel metatarsal guard Additional insulation to protect against accidental contact with an electrical charge Rich, water resistant tumbled leather uppers Welted construction foot bed offers exceptional stability and durability Padded collar and tongue Moisture wicking lining Anti-bacterial Smartmask® insole The iconic Dr. Martens classic PVC air-cushioned sole is resistant to oil, fat, petrol and alkali Standard: ASTM F2413-11 MI/75 C/75 MT/75 EH