M L XL XXL 34 36 42 44 40 46 32 30 4 Years 6 Years 8 Years 10 Years 2 Years 38 12 years 14 Years 16 Years 9-11 Years 11-13 Years S 52 56 54 58 50 20 22 24 26 28 29 3XL XS 6 Month 18 month 24 month 31 33 35 4XL 7-9 Years 2-5 years 5-8 years 8 - 9 years 9 - 13 years 6 month -1 years 2-3 years 4 - 5 years 48 14-16 Years 6-7 Years 30 32 6-7 Years 8 - 9 years 9-11 Years 11-13 Years 14-16 Years