EA 65% polyester/35% cotton with a minimum weight of 7.5 oz. True industrial laundry grade fabric with an IronClad finish that includes a CRF treatment for crease-resistance. Cut larger to fit a wide range of body types. 3-needle felling stitch on all seams for maximum strength and durability. High-quality, heavy-duty, cotton-wrapped polyester thread. Reinforcing bar tacks at stress points insure long service life and minimal repairs. Elastic can handle being boiled at 300º for two hours. Non-binding V-neck, raglan short sleeves, and one breast pocket. Hemmed sleeves and bottoms. Color-coded size labels.