When you need to rely on protection from the mud, grime, and rough terrain underfoot, LaCrosse® Men's Pac Boots have you covered. Featuring a cushioning EVA insole and their revolutionary Ankle Fit technology that grips your foot and locks your heel in place, the Pac is just as comfortable as it is durable. It’s built with their proven rubber formula that’s resistant to tears, abrasions, and a hard day’s work in hazardous conditions. Ozone-resistant, abrasion-resistant Rubber offers 100% waterproof protection. ZXT™ Rubber is a premium compound of rubber that has a high tensile strength, which means greater tear-resistance and greater durability Thick, 9mm wool/felt insole for added insulation Developed in 1963, LaCrosse® Ankle-Fit™design features a narrowed ankle pocket that grips the top of the foot better and locks the heel in place preventing excess rubbing and chafing Rubber protective toecap offers added durability for those in conditions that require crawling Steel Toe 3-eyelet lace top for a secure fit EVA footbed Fully vulcanized Trac-Lite® outsole is extra durable and ensures that it won’t ever separate; 90-degree heel and versatile, gripping lug pattern provide traction wherever you tread Product Features: Waterproof:Yes Outsole:Trac-Lite™ Vulcanized Rubber traction Upper:ZXT Hand-laid Rubber Height:12" Insulation:Polymeric foam Lining:100% Nylon Toe Protection:Steel Support (shank):Steel Footbed:EVA (Ethyl Vinyl Acetate) Cushioned Foam Weight:6 lbs. per pair Insole:Wool / felt LaCrosse Men's Insulated Pac Steel Toe Work Boot