These durable Oliver 16" PVC Puncture-Resistant Steel Toe Men's Gumboots with Metatarsal Guard are injection molded and seamless for 100% waterproof protection. They feature steel toe caps and METprotect internal metatarsal guards to help keep your feet safe from heavy falling objects. Designed for comfortable all-day wear, the toes of these flexible PVC gumboots feature Oliverâs innovative NATUREform design: the wider profile follows the natural shape of your foot and allows your toes space to flex and bend. Great for both indoor and outdoor use, the outsole of these chemical-resistant boots wonât mark the floor and offer resistance to solvents, mild acids, alkalis, oils and fats. The Steelflex steel midsole of these puncture-resistant boots helps prevent penetration from below, and the extra-deep tread keeps you sure-footed on loose and uneven terrain.