Hello,
The main differences between v2 and v1 are the following:
* The fabric inside and out is more durable and much more resistant to abrasion.
* The opening is a little wider making the shoes even easier to get on and off
* Slightly longer strap handles wide feet or braces better, often without the need for a strap extender
* The larger and higher placed pull loop on the back makes pulling the shoes on even easier
ikiki Customer Service