Equipped with abrasion resistant mesh upper material, proprietary DUOFUSE midsole technology, and a blend of rubber and foam to create a softer underfoot experience. The Propulsion has an extreme slip and oil resistant outsole, perfect for a variety of work environments, both indoors and out. It's a sneaker-style athletic work boot with composite toe, built to withstand tough industrial work environments, while still offering comfort, flexibility and a pop of signature CAT yellow.