These white hooded coveralls are lightweight and are made from Tyvek 400, a non-woven heat and pressure bonded, patented flash-spun polyethylene fibre material. This size medium set of coveralls has serged seams, elastic ankles and wrists, a zipper closure, and a set-in sleeve. They fit chest sizes of 36 3/4 inches to 40 1/4 inches and have an inseam of 28 inches.