I live in the San Bernardino mountains, and as a new mountain girlie i STRUGGLED with having the right winter clothes! Five years later, I think I havea pretty good idea of what works and doesn't work! So here's my list to help you out!
Warm Coat for Winter
Columbia Sportswear
Easily one of most affordable puffy jackets!
Women's Puffer Jacket - Packable, Light-weight
Hands Down my Favorite Down Jacket for Everything Outdoors. 10.5 Oz!!
REI Magma 850 Down Jacket - Women's
Love the Colors! and its 800 Fill Down & 14 oz
Fuego Hooded Down Jacket - Women's
You cannot go wrong with a Patagonia Puffy! also 800-fill good down, and 12.1 oz
Patagonia
Down Sweater Hoodie - Women's
I love the Bird. SO effective. However, this on is a little heavier. 1 pound and 750 fill.
Arc'teryx
Thorium Down Hoodie - Women's
This is by far my preferred Bird jacket, although I prefer it hooded. This one however, is only 8.9 0z and 850fill goose down.
Arc'teryx
Cerium Down Jacket - Women's
Another popular choice!
Mountain Hardwear
Ghost Whisperer Down Hoodie - Women's
Probably the most important winter accessory is your hat! Buy a merino wool beanies, and you won't regret it!