These are definitely just wear around the house lounge pants, but a departure from the usual type that look like pajamas. These give the illusion of jeans but are very lightweight and thin material, so not for warmth! True to size, though. I got these for my husband and sons and liked the look so much, I ordered myself a pair.  I think they are a little overpriced for the quality of fabric, but I suppose that's the price of a different and unique look. I would buy again.