Asics Gel Foundation 10 is similar to version 9 in that it is highly structured and torsionally stable, with a firm heel counter and an inflexible forefoot.
The differences between version 10 and version 9 have to do with volume. Version 9 was available in narrow, whereas version 10 isn’t. Version 9 was also more shallow than version 10 which will affect those runners who choose this shoe based on volume.
For all other runners, as the following video shows — this remains a great shoe.
Dr. Jenny Sanders Shoe Blog 