And um, thighs. And that face that says 'what, man in a bathrobe here, so what?"
It looks to me as if swimmy pants may have been wet, and now mostly dried. Was he in swimming in a previous scene? No, upon looking again, it does look more like a floral pattern. Very handsome and subltle.
Oh, you can see his belly-button too. Was just going to write about that. Horatio is going to be conducting Naval maneuvers...