Generous fit in shoulders and chest, bi-swing back, elastic waist inserts, 7.75 oz. twill; 65% polyester, 35% cotton, Essential for any trade--Automotive to Zookeeper, Bi-swing back gives full range of motion, Elastic inserts at waist expand for comfort, Handy chest pockets for phone and more, Large back pockets bar-tacked for durability, Imported, Grease. Grime. Dirt. Insulation and more. This coverall handles just about anything your work can throw at it. Durable yet breathable poly-cotton twill resists fading, wrinkles and stains. Heavy-duty two-way front brass zipper with concealed snaps at neck and waist stays flat. Handy ruler/tool pocket on right leg. Expandable comfort waist with elastic inserts.