Adams Adult Football Jerseys, Porthole Mesh Practice Jersey with Dazzle Shoulders and Elastic Sleeves Polyester portex mesh body and sleeves; Short sleeves with elastic cuffs Traditional double yoke construction with high luster stretch polyester dazzle wrap Made of 100 polyester; Machine Wash in cold water and tumble dry Adult jersey designed to accept shoulder pads; Shoulder pads NOT included Adult football uniform sizes: Small/Medium for chest size 34 to 40 inches; Large/X-Large for chest size 42 to 48 inches; XX-Large for chest size 50 to 52 inches and 3X-LARGE for chest size 54 to 56 inches