| Baby 1-2 | 19-20 | Baby UK1-2/EU 19-20/ USA 2-3 | C2-3 |
| Baby 3-4 | 21-22 | Baby UK3-4/EU 21/22/ USA 4-5 | C4-5 |
| Kids 5-6 | 23-24 | Kids UK5-6/EU 23/24/ USA 6-7 | C6-7 |
| Kids 7-8 | 25-26 | Kids UK7-8/EU 25/26/ USA 8-9 | C8-9 |
| Kids 9-10 | 27-28 | Kids UK9-10/EU 27/28/ USA 10-11 | C10-11 |
| Kids 11-12 | 29-31 | Kids UK11-12/EU 29/31/ USA 12-13 | C12-13 |
| Kids 13-1 | 32-33 | Kids UK13-1/EU 32/33/ USA M1-W3 | M1-W3 |
| Kids/Adult 2 | 33-34 | Kids UK2/EU 33/34/ USA M2- W4 | M2-W4 |
| Kids/Adult 3 | 34-35 | Kids UK3/EU 34/35/ USA M3-W5 | M3-W5 |
| Adult 4 | 36-37 | UK4/EU36-37/ USA M4-W6 | M4 or W6 or both |
| Adult 5 | 37-38 | UK5/EU37-38/ USA M5-W7 | M5 or W7 or both |
| Adult 6 | 38-39 | UK6/EU38-39/ USA M6-W8 | M6 or M7 or W8 or mix of these |
| Adult 7 | 39-40 | UK7/EU39-40/ USA M7/8-W9 | M7 or M8 or W9 or mix of these |
| Adult 8 | 41-42 | UK8/EU41-42/ USA M8/9-W10 | M8 or M9 or W10 or mix of these |
| Adult 9 | 42-43 | UK9/EU42-43/ USA M9/10-W11 | M9 or M10 or W11 or mix of these |
| Adult 10 | 43-44 | UK10/EU43-44/ USA M10/11-W12 | M10 or M11or W12 or mix of these |
| Adult 11 | 44-45 | UK11/EU44-45/ USA M11/12 | M11 or M12 |
| Adult 12 | 45-46 | UK12/EU45-46/ USA M12/13 | M12 or M13 |
| Adult 13 | 47-48 | UK13/EU47-48/ USA M13/14 | M13 or M14 |
| Adult 14 | 49 | UK14/EU49/ USA M14/15 | M14 or M15 |
| Adult 15 | 50 | UK15/EU20/ USA M15/16 | M15 or M16 |