These boots are constructed with special stretchable, unlined vinyl with slip-resistant outsole and rustproof snaps and full-opening gusset. Resists animal fats, petroleum, oils, greases and barnyard acids. Recommended for meat & food processing/dairy operations, refining, heavy manufacturing, construction, general industrial safety and outdoor use. Available in sizes X-Small to X-Large. Please specify size when ordering. Sold by the pair.