Solids: 100% Cotton; Ash Grey: 99% Cotton, 1% Polyester; Sport Grey and Antique Heathers: 90% Cotton, 10% Polyester; Safety Colors and Heathers: 50% Cotton, 50% Polyester Imported Pull On closure Machine Wash Thick and heavy 6.0 oz. per sq. yd. fabric made from 100% US cotton Featuring taped neck and shoulders, and double-needle collar, sleeves and hem for long-lasting comfort and durability Pull on closure for grab-and-go wearability