I have stayed at the W many times and am surprised by the last respondent’s impression. There are plenty of guests who walk around and go to breakfast in shorts and a tank top (I’m not saying they should or shouldn’t, but the fact is that they do). I have not experienced anyone hanging around the narrow walkway from the main entrance to the elevators and in Bangkok I’ve never experienced anyone caring about anyone else was doing. The W is a 4* more than a 5*. It’s a solid option but don’t expect opulence or luxury as you would at the Mandarin Oriental, for example. There’s no problem whatsoever bringing guests back with you.