It is made of combed cotton-blend fabric; Elastic waist and legs; Set of 2, consisting of a t-shirt and sweatpants; Product Content and Features Product Content: The main fabric pants: 77% Cotton 23% Polyester Main fabric Long Sleeved T-shirt: 100% Cotton 2.Fabric Long Sleeved T-shirt: 100% Cotton Product Features: Thickness: Thin Pattern: Printed / Patterned Collar: Cycling. Collar Sleeve Length: Long Sleeve Product Type: Suit Fabric: Combed Hosiery Material: Contains High Cotton Gender: Boy