Storm Kimonos Kids Belt SK Kids Belt; High Performance 100% Cotton construction, with High Definition Embroidered logo; Grading bar for stripes Y1 - 62"/157cm Y2 - 68"/173cm Y3 - 75"/190cm Y4 - 80"/203cm Y5 - 86"/218cm Y6 - 92"/234cm RECOMMENDATION : We suggest ordering 1 size larger than your child's Kimono size i.e. should your child wear Y1 Kimono, you should purchase a Y2 Belt