The Serious 10 inch Waterproof Composite Toe Met Guard Puncture-Resisting pull-on boot provides ultimate protection so you can tackle the day with confidence. The high-tech nano composite toe and met guard help protect from heavy loads and impact, while the Goodyear leather welt with puncture-resisting insole board helps prevent the intrusion of sharp objects underfoot. Waterproof leathers and a Dri-Lex lining provide a comfortable environment inside the boot, and the Vibram Alpha Plus outsole delivers oil- and heat-resisting durability.