I kept buying the flex 2.0 as old ones wore out, and was dismayed to find recently the 2.0 are no longer offered and now it’s the 3.0. The 3.0 is a nice shoe, the outside is very similar to the 2.0, but the memory foam is not nearly as squishy as the 2.0.
https://www.amazon.com/Skechers-Womens-Appeal-3-0-Insiders-Sneaker/product-reviews/B07P2YVVDF