Material: nylon 80 (%) fiber 20 (%)For ages 3 to 12 (years old) 3-4 5-6 7-8 9-10 11-12chest(cm) 47 49 51 53 55Waist(cm) 47 49 51 53 55Pant Length(cm) 16.5 17 17.5 18 18.5