Originally Posted by
jattsingh
Would it be ok to do so in Club World? What about accessing the lounges, would there be any problem there?
You'll be fine and staggered at what some people wear. I normally take either BA PJ's or track suit trousers and change on the plane, the advantage that way is you can change just before landing into relatively fresh clothes.
Downside is you'll only get cava, they reserve the champagne for people in ties