It is made of sweatshirt fabric. DeFacto Boys' Harry Potter Regular Fit Crew Neck Sweatshirt with Harry Potter license graphic printed on the front part integrated with fabric, crew neck, regular fit comfortable pattern, flexible ribbing on sleeves and hem. Cotton 67%, Polyester 33%; Model Information Indigo-IN176: Bust: 0 Height: 1.37 Hips: 0 Waist: 0; Model Size Indigo-IN176: Age 7/8; Item Code: B2055A823WN;