Blundstone Men's 914 Steel-Toed Boot 100% Leather Imported Synthetic sole Black premium water resistant leather lace up, high leg safety boot with penetration resistant midsole. Moulded TPU toe and heel guards for added leather protection. Padded collar and tongue. Breathable, moisture wicking lining. Low density Polyurethane midsole. High density Nitrile rubber outsole - 5mm extra heavy duty tread - excellent cut and slip resistance, impervious to hydrolysis and microbial attack - heat resistant to 572F - oil, acid & organic fat resistant. Steel shank for maximum torsional stability. Broad fitting 200 joule impact resistant Type 1 steel toe cap. L-Protection Nail-proof sole in HT Ceramic fab-ric (PS4) -provides optimum penetration re-sistance over the entire sole whilst still allowing maximum flexibility and lightweight comfort. Blundstone Shock Zone polyether PU footbed featuring a channelled air flow system and cushion lining. Certified to: ASTM F2413-05 M I/75 C/75 PR EH.