Neese Tuff Wear 275 Series garments offer a strong nylon with a polyurethane coating that gives higher abrasion and snag resistance than any material in its weight class. It is made with polyurethane on the outside with nylon on the inside, and features strong double stitched and tape sealed seams for maximum protection. The Tuff Wear Polyurethane Coated Nylon Bib Trousers have a Safety Fly, are breathable without any perforation.