▶ VIEW OUR COMPLETE SIZE GUIDES BY BRAND & TYPE
All footwear on the website are listed using Ireland/UK shoe sizes.
Use the shoe size conversion table below to find your size in US, Australian and European sizes.
Depending on the brand of footwear, there may be some slight variations on fit.
MEN'S SHOE SIZES
| Ireland/UK | US | AU | EU | Length mm |
| 3 | 4 | 3 | 35.5 | 220 |
| 4 | 5 | 4 | 37 | 229 |
| 5 | 6 | 5 | 38 | 237 |
| 6 | 7 | 6 | 39 | 246 |
| 7 | 8 | 7 | 40.5 | 254 |
| 7.5 | 8.5 | 7.5 | 41 | 258 |
| 8 | 9 | 8 | 42 | 262 |
| 8.5 | 9.5 | 8.4 | 42.5 | 266 |
| 9 | 10 | 9 | 43 | 271 |
| 9.5 | 10.5 | 9.5 | 44 | 275 |
| 10 | 11 | 10 | 44.5 | 279 |
| 10.5 | 11.5 | 10.5 | 45 | 283 |
| 11 | 12 | 11 | 46 | 288 |
| 12 | 13 | 12 | 47 | 296 |
| 13 | 14 | 13 | 48 | 305 |
| 14 | 15 | 14 | 49.5 | 314 |
WOMEN'S SHOE SIZES
| Ireland/UK | US | AU | EU | Length mm |
| 2 | 4 | 4 | 35 | 212 |
| 3 | 5 | 5 | 36 | 220 |
| 4 | 6 | 6 | 37 | 229 |
| 5 | 7 | 7 | 38 | 237 |
| 6 | 8 | 8 | 39 | 246 |
| 7 | 9 | 9 | 40 | 254 |
| 8 | 10 | 10 | 41 | 262 |
| 9 | 11 | 11 | 42 | 270 |
INFANT & KIDS' SHOE SIZES
| Ireland/UK/AU | US | EU | Approx. Age | Length mm |
| 1 | 2 | 17 | Infant | 97 |
| 1.5 | 2.5 | 18 | 0-12mth | 102 |
| 2 | 3 | 18 | 0-12mth | 106 |
| 2.5 | 3.5 | 19 | 0-12mth | 110 |
| 3 | 4 | 19 | 0-12mth | 114 |
| 3.5 | 4.5 | 20 | 0-12mth | 119 |
| 4 | 5 | 20 | 0-12mth | 123 |
| 4.5 | 5.5 | 21 | 0-12mth | 127 |
| 5 | 6 | 22 | 0-12mth | 131 |
| 5.5 | 6.5 | 23 | 0-12mth | 136 |
| 6 | 7 | 23.5 | 0-12mth | 140 |
| 6.5 | 7.5 | 24 | 0-12mth | 144 |
| 7 | 8 | 24.5 | 24mths | 148 |
| 7.5 |
8.5 |
25 | 24mths | 152 |
| 8 | 9 | 25.5 | 24mths | 157 |
| 8.5 | 9.5 | 26 | 3 years | 161 |
| 9 | 10 | 26.5 | 3 years | 165 |
| 9.5 | 10.5 | 27 | 3 years | 169 |
| 10 | 11 | 27.5 | 4 years | 174 |
| 10.5 | 11.5 | 28 | 4 years | 178 |
| 11 | 11.5 | 28.5 | 5 years | 182 |
| 11.5 | 12.5 | 29 | 5 years | 185 |
| 12 | 13 | 30 | 6 years | 189 |
| 13 | 1 | 31 | 6 years | 197 |
| 1 | 2 |
32.5 |
6 years |
206 |
| 1.5 | 2.5 | 33 | 6 years | 210 |
| 2 | 3 | 34 | 7 years | 216 |
| 2.5 | 3.5 | 35 | 7 years | 219 |
| 3 | 4 | 36 | 7 years | 222 |
| 3.5 | 4.5 | 36 | 8 years | 229 |
| 4 | 5 | 37 | 8 years | 232 |
| 4.5 | 5.5 | 37 | 8 years | 235 |
| 5 | 6 | 38 | 9 years | 241 |
| 5.5 | 6.5 | 38 | 9 years | 244 |
| 6 | 7 | 39 | 10 years | 248 |