Well, it looks as if it'd be something to wear around the house after a shower, but I have to wonder what the 'health' part of it is.

So, how I heard it is that a guy in Norway invented these, the idea coming from how birds fluff up to trap air and stay warm. They were a huge hit and got copied many a place. The inventor got out of the business after a while, and plowed all his money into a nature park, which is now run by his wife. Who is kind of nuts in a good way. Visited the place last summer, so I got to hear allllll about this.
I agree with murakozi about wearing around the house, especially the shorts. I've seen mesh tanks/shirts for men now. But I have to wonder what his butt looks like after he's sat down for a while -Belgian Waffle???