Can uggs be worn without socks?

I'm going to visit Chicago next month and I want to have shoes that can be worn without socks.

I actually live in Hawai and have always travelled in warm climate so I always wear flip-flops and don't own socks. I don't want to wear socks buy I think it'll be to cold in Chicago to wear flip-flops.

Can uggs be worn without socks?
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