The Rocky Nail Guard Steel Toe Waterproof Wellington definitely is what you want to wear if there's any possibility of stepping on nails at your job site. The Nail Guard collection gives you unparalleled protection against nails, metal and other sharp items. These boots meet ASTM standards for puncture resistance. Other protection includes a steel toe that meet ASTM standards for impact and compression. Rocky Waterproof construction means your feet stay dry, guaranteed, if you encounter water or mud during your workday.