Hi, can anyone recommend a SUPER WARM down parka that won’t break the bank?

I lost my prized Eddie Bauer/First Ascent “Peak XV” jacket. I loved it but the arms were a little under-insulated. Looking for something even warmer (with moderately durable fabric). Ultralight not necessary.

Using it for a variety of winter activities (snow camping, mountaineering, etc.) in sub-zero conditions.