Work-tested Carhartt® overall is made of heavy-duty 12-oz. cotton duck, treated for water repellency. Features a variety of tool and utility pockets, a hammer loop and high back with elastic suspenders. Double knees can fit knee pads and feature cleanout bottom. Back pockets are reinforced for durability and metal rivets are used at all stress points. Zipper fly. Triple-stitched main seams. Model R01. U.S.A. Available in Black and Brown. Regular style available in even waist sizes 2850. Big style available in 52 and 54 waists. Available in 28, 30, 32 and 34 inseams (30 and 32 for 50, 52 and 54 waists). Expanded range of sizes available on NorthernTool.com.