They're just for when she's at rides tied to the trailer. She has more than enough hair to keep her warm in the pasture.
Coy:

Showing off all that mane:

Butt shot:

I think it fits perfectly. I had to go with a closed-front blanket (the buckle front fleeces were also out of stock til March, and hopefully I won't even need it by March!) and she was totally fine with me slipping a huge blue thing over her head. It seems like her personal motto has changed from "aaaaa don't touch me, you're trying to kill me!" to "oh ok." What a good girl!