Loading... Please wait...The Newton Lady Isaac Stability Guidance Trainer offers intellignt control for runners that have mild pronation.
The Isaac is designed for runners committed to improving their running form to the more efficient midfoot/forefoot running style.
How does the Guidance Trainer differ from the Performance Trainer?
Colours:
Weight
Please note that we do not have all sizes in stock at all times. In this case we will order from the Distributor and this may add a day or 2 to the shipment.
Women's Shoe Sizing Chart:
| US | EURO | UK |
| 6 | 37 | 4 |
| 6.5 | 37.5 | 4.5 |
| 7 | 38 | 5 |
| 7.5 | 38.5 | 5.5 |
| 8 | 39 | 6 |
| 8.5 | 39.5 | 6.5 |
| 9 | 40 | 7 |
| 9.5 | 41 | 7.5 |
| 10 | 41.5 | 8 |
| 10.5 | 42 | 8.5 |
| 11 | 42.5 | 9 |