XXS XS S M L XL XXL 3XL 0 3/6 6/9 12/18 18/24 9/12 1 2 3 4 5 6 8 10 12 14 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 7+ US 35 EU 36 EU 36 EU 36 EU 36 EU 36 EU 37 EU 37 EU 37 EU 37 EU 37 EU 38 EU 38 EU 39 EU 39 EU 40 EU 40 EU 41 EU 34 FR 36 FR 38 FR 40 FR 42 FR 44 FR 36 IT 38 IT 40 IT 42 IT 44 IT 46 IT 48 IT 50 IT 52 IT 54 IT 9-12 mths 12-18 mths 18-24 mths 5 UK 6 UK 7 UK 8 UK 9 UK 10 UK 4 US 6 US 7 US 8 US 9 US 10 US 11 US 6 yrs 8 yrs 10 yrs 12 yrs 14 yrs U