Rocky Nail Guard Steel Toe Puncture-Resistant Waterproof Work Boots give you the best on-the-job protection. With it's puncture-resistance, the Nail Guard protects you against nails, metal and other sharp objects found on the job, giving you the confidence to focus on the work at hand. These also are steel toe work boots, so there's another layer of safety. The steel toe meets ASTM standards for impact and compression. You are protected from objects that fall or drop on your feet.