lightweight winter coat

Time to shop for a lightweight winter coat.
I need something that is not too heavy as a) our weather is not that cold here and/or not for very long and b) I do already have two very nice wool winter coats.

So I want something to replace a heavy cotton sweater coat that has definitely seen better days.  An unlined coat would be ideal. And easy on/off: no zippers and not too many fussy buttons.  A small collar would be ideal but a stand up would be fine. Pockets. No hood.
Is that too much to ask?

I actually DID find many strong contenders.

1. 2. 3. 4. 5. 6.

And now, for the top three choices:

The Marc New York Paige Coat from Garnet Hill.
In my opinion, you cannot go wrong with anything from this top on-line retailer. Let me tell you a short story. I looked at this coat for three days and delayed ordering it. And then, when I was ready to click through, “sorry, this item is no longer available.”  I happened to look through the comments and one person had said she experienced the same thing, […]