Polyester Zipper closure Machine Wash Sizing: Measure both your chest (across its widest point) and your waist (at your belly button). Take the larger of these 2 measurements and select the corresponding coverall size from the size chart provided with product images. Everyday Excellence: Our workwear collection is designed for the work you do everyday. Stronger seams. More durable fabrics. Pockets in just the right places. With so many features that help you get the job done, our workwear definitely has what it takes. Over-sized chest and back pockets that offer an array of uses with comfort, strength and durability. Elastic waist and straight cut built for hard work and equipped for comfort to accommodate a full range of motion.