41 64 85 106 123 132 149 162 182 202 3-47 4-51 5-67 6-71 7-812 8-92 9-1011 10-112 11-128 12-131 13-143 14-151 15-167 OSFM3 UK 1.51 UK 38 UK 48 UK 59 UK 611 UK 6.51 UK 79 UK 810 UK 93 UK 9.51 UK 102 UK 111 UK 121 UK 2.51 UK 21 24 inch1 25 inch1 26 inch1 27 inch1 28 inch1 30 inch3 3 infant1 4 infant1 4.5 infant1 5 infant1 5.5 infant1 6 infant1 7 infant1 7.5 infant1 8 infant1 8.5 infant1 9 infant1 9.5 infant1 10 child2 10.5 child1 11 child2 11.5 child2 12 child1 12.5 child2 13 child1 13.5 child1 UK 11 6-12m1 One Size4 2XS2 XS33 S106 M102 L96 XL75 2XL64 3XL7 4XL4 M/L3 31 inch1 32 inch2 33 inch2 34 inch2 35 inch1 40 inch1