The insulated ZXT Knee boots are constructed of a premium ozone- and abrasion-resistant, 100% waterproof ZXT rubber compound with a high-tensile strength for greater tear resistance and durability. For colder environments, the 9mm wool-felt insoles and foam insulation offers warmth. The Trac-Lite slip-resistant outsoles deliver all-around traction in mud and other loose terrain. Extra rubber toecaps and shovel arch guards provide additional protection. Fiberglass shanks and removable EVA footbeds provide lightweight comfort and arch support. Imported. Height: 16. Average weight: 4.5 lbs./pair. Mens whole sizes: 6-15. Color: Black. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Boots.