Korean Japan Age Height(cm) Weight(kg)
3 / XS 90 18-24m 80-87 9-12
5 / S 100 2-3 87-100 12-15
7 / M 110 3-5 100-110 15-18
9 / L 120 5-6 110-120 18-20
11 / XL 130 6-7 120-130 20-25
13 / XXL 140 7-8 130-140 25-30