Warm super insulated down coats are pretty terrible above maybe 15f. They're just too hot, and sweating inside a coat like that sucks. I live in Minnesota and

Warm super insulated down coats are pretty terrible above maybe 15f. They're just too hot, and sweating inside a coat like that sucks. I live in Minnesota and wear a lighter weight parka for most of winter. On single digits days like today however I bring out my heavy duty down parka.