This new Helmet and Jersey Set includes a molded team helmet and a mesh team jersey top. The jersey is made of 100% polyester mesh. Intended for kids ages 5 to 9. This helmet is not to be used as protective equipment in football or any other contact sport. Sizing: shoulder seam, 4.25 inches; center back, 21 inches; chest flat, 17.5 inches; sleeve length, 7inches.