Synthetic sole
Go Further: Our GuideRail guidance system provides extra medial support when you need it most and our FootShape toe boxes allow toes to splay for natural foot positioning and comfort
Stay Comfortable: The updated Innovarch arch feature encourages better foot placement in each step and the Altra EGO Max cushioned midsoles are light, luxurious and responsive
Push Yourself: Balanced Cushioning places your heel and forefoot the same distance from the ground to encourage proper, low-impact form throughout your run
Stay Focused: 30 mm stack height provides ample cushion for long runs
| U.S. Women's Shoe Size | U.K. Women's Shoe Size | E.U. Women's Shoe Size | CM |
|---|---|---|---|
| 5.5 | 3.5 | 36 | 22 cm. |
| 6 | 4 | 37 | 22.5 cm. |
| 6.5 | 4.5 | 37.5 | 23 cm. |
| 7 | 5 | 38 | 23.5 cm. |
| 7.5 | 5.5 | 38.5 | 24 cm. |
| 8 | 6 | 39 | 24.5 cm. |
| 8.5 | 6.5 | 40 | 25 cm. |
| 9 | 7 | 40.5 | 25.5 cm. |
| 9.5 | 7.5 | 41 | 26 cm. |
| 10 | 8 | 42 | 26.5 cm. |
| 10.5 | 8.5 | 42.5 | 27 cm. |
| 11 | 9 | 43 | 27.5 cm. |
| 11.5 | 9.5 | 44 | 28 cm. |
| 12 | 10 | 44.5 | 28.5 cm. |
| 13 | 11 | 46 | 29.5 cm. |
Synthetic sole
Go Further: Our GuideRail guidance system provides extra medial support when you need it most and our FootShape toe boxes allow toes to splay for natural foot positioning and comfort
Stay Comfortable: The updated Innovarch arch feature encourages better foot placement in each step and the Altra EGO Max cushioned midsoles are light, luxurious and responsive
Push Yourself: Balanced Cushioning places your heel and forefoot the same distance from the ground to encourage proper, low-impact form throughout your run
Stay Focused: 30 mm stack height provides ample cushion for long runs
| U.S. Women's Shoe Size | U.K. Women's Shoe Size | E.U. Women's Shoe Size | CM |
|---|---|---|---|
| 5.5 | 3.5 | 36 | 22 cm. |
| 6 | 4 | 37 | 22.5 cm. |
| 6.5 | 4.5 | 37.5 | 23 cm. |
| 7 | 5 | 38 | 23.5 cm. |
| 7.5 | 5.5 | 38.5 | 24 cm. |
| 8 | 6 | 39 | 24.5 cm. |
| 8.5 | 6.5 | 40 | 25 cm. |
| 9 | 7 | 40.5 | 25.5 cm. |
| 9.5 | 7.5 | 41 | 26 cm. |
| 10 | 8 | 42 | 26.5 cm. |
| 10.5 | 8.5 | 42.5 | 27 cm. |
| 11 | 9 | 43 | 27.5 cm. |
| 11.5 | 9.5 | 44 | 28 cm. |
| 12 | 10 | 44.5 | 28.5 cm. |
| 13 | 11 | 46 | 29.5 cm. |
