The material is just thick enough to keep you snuggly warm without breaking into an uncomfortable sweat.
I bought him a large and it fits him perfectly as well! We use high quality synthetic material that is non-irritating and feels soft on the skin.
You can lounge around at home or even wear them out.
My husband and I just switched and they fit us just fine.
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Funny Saying Motor Sled Gift Present for Mother's Day Father's Day.