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The Nano X4 Training Shoes are one of the lightest and most breathable Nano iterations yet. These Reebok training shoes are crafted with enhanced stability and support without excess design features that add weight. The updated Flexweave woven textile upper is ultralight and a new midfoot ventilation panel allows greater air flow. Ultimate stability comes from the innovative Lift and Run Chassis system while Floatride Energy Foam cushions every stride.
Fitting Chart
Notes About Measuring Your Feet
Because they are flat, rulers can only approximate the size of your foot. Don't forget that manufacturers measure shoe sizes differently, and as a result, sizes may vary. When measuring your foot, ensure that you are standing and wearing the socks or stockings that will be worn with your new shoes when they arrive.
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| US Sizes | Euro Sizes | UK Sizes | Inches | CM |
|---|---|---|---|---|
| 4 | 35 | 1 | 8.1875 | 20.8 |
| 4.5 | 35 | 1.5 | 8.375 | 21.3 |
| 5 | 35-36 | 2 | 8.5 | 21.6 |
| 5.5 | 36 | 2.5 | 8.75 | 22.2 |
| 6 | 36-37 | 3 | 8.875 | 22.5 |
| 6.5 | 37 | 3.5 | 9.0625 | 23 |
| 7 | 37-38 | 4 | 9.25 | 23.5 |
| 7.5 | 38 | 4.5 | 9.375 | 23.8 |
| 8 | 38-39 | 5 | 9.5 | 24.1 |
| 8.5 | 39 | 5.5 | 9.6875 | 24.6 |
| 9 | 39-40 | 6 | 9.875 | 25.1 |
| 9.5 | 40 | 6.5 | 10 | 25.4 |
| 10 | 40-41 | 7 | 10.1875 | 25.9 |
| 10.5 | 41 | 7.5 | 10.3125 | 26.2 |
| 11 | 41-42 | 8 | 10.5 | 26.7 |
| 11.5 | 42 | 8.5 | 10.6875 | 27.1 |
| 12 | 42-43 | 9 | 10.875 | 27.6 |
| US Sizes | Euro Sizes | UK Sizes | Inches | CM |
|---|---|---|---|---|
| 6 | 39 | 5 | 9.25 | 23.5 |
| 6.5 | 39 | 5.5 | 9.5 | 24.1 |
| 7 | 40 | 6 | 9.625 | 24.4 |
| 7.5 | 40-41 | 6.5 | 9.75 | 24.8 |
| 8 | 41 | 7 | 9.9375 | 25.4 |
| 8.5 | 41-42 | 7.5 | 10.125 | 25.7 |
| 9 | 42 | 8 | 10.25 | 26 |
| 9.5 | 42-43 | 8.5 | 10.4375 | 26.7 |
| 10 | 43 | 9 | 10.5625 | 27 |
| 10.5 | 43-44 | 9.5 | 10.75 | 27.3 |
| 11 | 44 | 10 | 10.9375 | 27.9 |
| 11.5 | 44-45 | 10.5 | 11.125 | 28.3 |
| 12 | 45 | 11 | 11.25 | 28.6 |
| 13 | 46 | 12 | 11.5625 | 29.4 |
| 14 | 47 | 13 | 11.875 | 30.2 |
| 15 | 48 | 14 | 12.1875 | 31 |
| 16 | 49 | 15 | 12.5 | 31.8 |
| US Sizes | Euro Sizes | UK Sizes | Inches | CM |
|---|---|---|---|---|
| 8 | 24 | 7 | 5.8 | 14.6 |
| 8.5 | 25 | 7.5 | 6 | 15.2 |
| 9 | 25 | 8 | 6.2 | 15.6 |
| 9.5 | 26 | 8.5 | 6.3 | 15.9 |
| 10 | 27 | 9 | 6.5 | 16.5 |
| 10.5 | 27 | 9.5 | 6.6 | 16.8 |
| 11 | 28 | 10 | 6.8 | 17.1 |
| 11.5 | 29 | 10.5 | 7 | 17.8 |
| 12 | 30 | 11 | 7.1 | 18.1 |
| US Sizes | Euro Sizes | UK Sizes | Inches | CM |
|---|---|---|---|---|
| 13 | 31 | 12 | 7.5 | 19.1 |
| 13.5 | 31 | 12.5 | 7.6 | 19.4 |
| 1 | 32 | 13 | 7.8 | 19.7 |
| 1.5 | 33 | 14 | 8 | 20.3 |
| 2 | 33 | 1 | 8.2 | 20.6 |
| 2.5 | 34 | 1.5 | 8.3 | 21 |
| 3 | 34 | 2 | 8.5 | 21.6 |
| 3.5 | 35 | 2.5 | 8.6 | 21.9 |
| 4 | 36 | 3 | 8.8 | 22.2 |
| 4.5 | 36 | 3.5 | 9 | 22.9 |
| 5 | 37 | 4 | 9.2 | 23.2 |
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