I just got the Pogamat XL on amazon. It's good enough for me (core workouts, stretching, etc). It feels pretty quality to me, but I don't actually do yoga.

Here's the link, but it's out of stock now (probably because of the pandemic) https://www.amazon.com/gp/product/B06ZZ8HCF7/ref=ppx_yo_dt_b_asin_title_o07_s00?ie=UTF8&psc=1