Key Apparel Men's Flame Resistant Traditional Insulated Bib Overall 88% Cotton, 12% High Tenacity Nylon Imported Machine Wash 11oz, 88% Cotton/12% High Tenacity Nylon, Airo Finish Hip Zip Center Release Buckles Multi-Chest Pockets Double Utility Pockets Two Hip Pockets Hip Length Zippers Hammer Loop Double Knee with Cleanout HRC Level 4, ARC Rating 42