M2/W31 M3/W41 M4/W51 M5/W61 M6/W71 M7/W81 4-61 21 31 12-142 49 51 16-181 614 71 20-221 815 1011 1211 146 164 181 7.51 8.51 9.51 10.51 3-41 5-61 9-101 24-261 UK 33 UK 43 UK 4.51 UK 52 UK 63 UK 6.51 UK 73 UK 85 UK 8.52 UK 92 UK 9.52 UK 101 UK 10.51 UK 111 UK 11.51 UK 121 UK 2.51 UK 21 30 inch1 10 child1 11 child1 One Size2 2XS2 XS5 S12 M13 L9 XL10 2XL4 SB1 MB1 32 inch1 34 inch1 36 inch1 38 inch1 40 inch1