Answer:
A seasonal fashion statement named for the weather it's worn in.
What grows when it eats, but dies when it drinks?
I always run but never walk, I sometimes sing but cannot talk, No head on which a hat to place, You always look me in the face.
Doing something of this nature is likely to land you in court
Handy when you need to measure something or run a kingdom.
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.