@ross4309 sorry to hear that sizing hasn't been easy in picking a new pair of mountain bike shorts. Without knowing for sure if you want a pair of shorts with or without a padded liner, here are a few suggestions of shorts with the liner and recommended sizes:

We have also begun reopening many of our stores for in-store shopping, as fit is tricky online, if you wanted to come in and try some different options on!

At REI, we believe time outside is fundamental to a life well lived.