Newcastle Blue Star Retro Trainers by Game Yarns
NB: Size selector is in USA sizes. So please use conversion chart for your UK shoe size. Normally it is a size down from USA Sizes. So a USA 10 is a UK 9 for example. If you are a UK 9 choose USA size 10 here.
Stay active throughout the week with these uniquely-designed athletic shoes. They feature a soft, padded inside for maximum comfort and a rubber outsole for stability.
• 100% polyester ultralight flyknit
• Ethylene-vinyl acetate (EVA) rubber outsole
• Breathable lining
• Soft insole and a padded collar
• Lace-up front
Size guide
| US MEN | UK | EUROPE | JAPAN | FOOT LENGTH (inches) | OUTSOLE LENGTH (inches) | INSOLE WIDTH (inches) | |
| 5 | 5 | 4 | 37.5 | 23 | 9 ⅛ | 10 ½ | 3 ⅛ |
| 5.5 | 5.5 | 4.5 | 38 | 23.5 | 9 ¼ | 10 ½ | 3 ⅛ |
| 6 | 6 | 5 | 38.5 | 24 | 9 ½ | 10 ¾ | 3 ¼ |
| 6.5 | 6.5 | 5.5 | 39 | 24.5 | 9 ⅝ | 10 ¾ | 3 ¼ |
| 7 | 7 | 6 | 40 | 25 | 9 ¾ | 11 | 3 ⅜ |
| 7.5 | 7.5 | 6.5 | 40.5 | 25.5 | 10 | 11 ¼ | 3 ⅜ |
| 8 | 8 | 7 | 41 | 26 | 10 ⅛ | 11 ¼ | 3 ⅜ |
| 8.5 | 8.5 | 7.5 | 42 | 26.5 | 10 ¼ | 11 ¾ | 3 ⅜ |
| 9 | 9 | 8 | 42.5 | 27 | 10 ½ | 12 | 3 ⅝ |
| 9.5 | 9.5 | 8.5 | 43 | 27.5 | 10 ⅝ | 12 | 3 ⅝ |
| 10 | 10 | 9 | 44 | 28 | 10 ¾ | 12 ½ | 3 ⅝ |
| 10.5 | 10.5 | 9.5 | 44.5 | 28.5 | 11 | 12 ¾ | 3 ¾ |
| 11 | 11 | 10 | 45 | 29 | 11 ¼ | 12 ¾ | 3 ¾ |
| 11.5 | 11.5 | 10.5 | 46 | 29.5 | 11 ½ | 13 | 3 ⅞ |
| 12 | 12 | 11 | 46.5 | 30 | 11 ¾ | 13 ¼ | 3 ⅞ |
| 12.5 | 12.5 | 11.5 | 47 | 30.5 | 11 ⅞ | 13 ½ | 4 |
| 13 | 13 | 12 | 47.5 | 31 | 12 | 13 ½ | 4 |
| US MEN | UK | EUROPE | JAPAN | FOOT LENGTH (cm) | OUTSOLE LENGTH (cm) | INSOLE WIDTH (cm) | |
| 5 | 5 | 4 | 37.5 | 23 | 23.2 | 26.7 | 8 |
| 5.5 | 5.5 | 4.5 | 38 | 23.5 | 23.5 | 26.7 | 8 |
| 6 | 6 | 5 | 38.5 | 24 | 24.1 | 27.3 | 8.3 |
| 6.5 | 6.5 | 5.5 | 39 | 24.5 | 24.5 | 27.3 | 8.3 |
| 7 | 7 | 6 | 40 | 25 | 24.8 | 28 | 8.6 |
| 7.5 | 7.5 | 6.5 | 40.5 | 25.5 | 25.4 | 28.6 | 8.6 |
| 8 | 8 | 7 | 41 | 26 | 25.7 | 28.6 | 8.6 |
| 8.5 | 8.5 | 7.5 | 42 | 26.5 | 26 | 29.9 | 8.6 |
| 9 | 9 | 8 | 42.5 | 27 | 26.7 | 30.5 | 9.1 |
| 9.5 | 9.5 | 8.5 | 43 | 27.5 | 27 | 30.5 | 9.1 |
| 10 | 10 | 9 | 44 | 28 | 27.3 | 31.8 | 9.1 |
| 10.5 | 10.5 | 9.5 | 44.5 | 28.5 | 28 | 32.4 | 9.5 |
| 11 | 11 | 10 | 45 | 29 | 28.6 | 32.4 | 9.5 |
| 11.5 | 11.5 | 10.5 | 46 | 29.5 | 29.2 | 33 | 10 |
| 12 | 12 | 11 | 46.5 | 30 | 29.9 | 33.7 | 10 |
| 12.5 | 12.5 | 11.5 | 47 | 30.5 | 30.2 | 34.3 | 10.2 |
| 13 | 13 | 12 | 47.5 | 31 | 30.6 | 34.3 | 10.2 |
