I have first lite solitude for my cold-weather gear, and I have to say it is top-notch. Used it several times this past season down in the 20s and was super warm.
https://asiogear.com/
I haven’t gotten a chance to try their stuff out. The reviews are great. I like that they’re based out of South Carolina so they’re warm weather gear is made for southern early season hunts when it’s still 85° out lol