The best quality down garments for the money I’ve found over the years are those from Montbell. I’ve been using Montbell products going back over 30 years.

https://www.montbell.us/products/disp.php?cat_id=25010&p_id=2301265&gen_cd=1

https://www.montbell.us/products/disp.php?cat_id=25010&p_id=2301218&gen_cd=1


“Perfection is Achieved Not When There Is Nothing More to Add, But When There Is Nothing Left to Take Away” Antoine de Saint-Exupery