Rocky is proud to introduce the industry's first ASTM certified externally attached protective toe with a lightweight flexible cement construction. This innovative composite toe gives your toes space without compromising safety. Designed for comfort with our Rocky Rebound cushioning midsole you may just forget you're wearing a safety toe. This externally attached composite toe protects you if something falls on your toes up to 75 pounds of impact and compression. This construction boot is also electrical hazard resistant meaning it provides a secondary source for reducing the risk of electrocution. This work boot meets the ASTM standards for both features. These 6" work boots are designed for anything mother nature throws your way featuring Rocky's new VP Waterproof technology. This Vapor Pass proprietary technology has a waterproof barrier that keep liquids out without trapping perspiration in allowing your feet to stay cool and dry. For added stability and comfort this work boot features a fiberglass shank. Above the shank is our well-known Terra Suspension footbed providing cushion and support. This combination of materials allows the Rocky work boots to be lightweight flexible and comfortable while still delivering first class protection. You can be confident that your heels won't slip up and down in your boots throughout the workday with the innovative external molded "Heel Lock" adding an extra level of stability. The boot sole is also oil- and slip-resistant which helps you keep your balance on the jobsite. The performance of a safety toe with the comfort of a soft toe get yours today! Light and flexible cement construction Terra Suspension Footbed Provides Support and Cushioning Full-grain leather upper ASTM F2413 protective toe classification ASTM F2413 electrical hazard standard Oil- and slip-resistant rubber outsole Fiberglass shank Milled nickel hardware High performance mesh lining Weight: 3.4 pounds per pair for a size 10 Rocky Mens XO-Toe Composite Waterproof Work Boot RKK0251 BROWN