M2/W31 M3/W41 M4/W51 M5/W61 M6/W71 M7/W81 M8/W91 4-61 22 8-102 31 12-141 47 14-161 55 16-181 614 820 1017 1214 131 1410 167 182 202 3-42 5-61 7-81 8-91 9-101 11-123 12-131 13-141 15-161 UK 1.51 UK 36 UK 3.52 UK 48 UK 4.53 UK 511 UK 5.56 UK 610 UK 6.53 UK 73 UK 83 UK 92 UK 121 UK 2.52 UK 23 221 241 261 28 inch1 29 inch1 10.5 child1 11 child1 11.5 child1 12 child1 12.5 child1 13 child1 13.5 child1 UK 11 0-3m1 6-9m1 One Size4 XS4 S9 M9 L6 XL2 2XL1 SB1 MB2 31 inch1