Loading... Please wait...The Newton Lady Isaac Guidance Trainer offers intellignt control for all foot types. 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:
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 |
Posted by Jo on 7th Sep 2011
Absolutely love my Newtons. They are ever so comfy, great support and definitely improved my speed. They do take a few runs to get used to - I would suggest trying them on before buying and/or read their website thoroughly but overall, 2 months later, I'm still raving about them!