Originally Posted by LTN Phobia

It sort of makes sense but still, you often go to the tropics to find the air conditioning at full blast to the extent of being chilly/cold (I'm not talking about 24 degrees here, more like 18-19 degrees sometimes), and therefore carrying one's own cardigan or a jacket would make sense.

I guess my views are somewhat distorted as I find JL cabin really hot most of the time and so a second hand cardigan is near the bottom of the list of items I feel I'd want on board (well below a shot of Ouzo that I actually dislike, and even below a brand new cardigan on board a JL flight ).