Here's a tough 12-ounce 100% cotton Duck Bib Overall with a 100% quilted nylon polyester lining. There's a zipper fly and leg zippers that open to the knee with protective wind flaps. It's also designed with a high back and adjustable elastic suspenders. Other features include a bib pocket with snap closure and double knees with cleanout bottoms. This hard-working overall comes in black or Carhatt brown and has been thorougly job-tested for wear-resistance.