1 MONTH 40.5 41.5 42.5 43.5 44.5 54 35-37 36-38 38-40 39-41 41-43 43-45 0 3 months 6 months 9 months 12 months 18 months One size one size small Size 1 Size 2 size 3 2 Years 3 Years 4 Years 5 Years 6 Years 8 Years 10 Years 12 Years 14 Years 16 Years XXS XS XS/S S M M/L Medium/large L XL XXL TU ZZ 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 48 50 52