The original & the best. Constructed from high-grade neoprene and layers of hand laid rubber for maximum performance & durability. These boots have been keeping workers dry & comfortable for more than two decades. In addition to the tough performance you expect from Muck, now we have added a gusset construction to our iconic chore boot, which has helped workers stay dry and comfortable for more than a decade. Rugged and built to last, the Chore XF delivers the same performance and protection as the original with up to 5 extra inches of calf accommodation for optimal fit and comfort. 100% waterproof.