Slippers are provided. Not certain what flight you were on, but I've never missed out on them on my transpac flights.
https://www.koreanair.com/global/en/...t-service.html
Originally Posted by
Handcake
I've never gotten an amenity kit in economy going transpac...they have tooth brushes in the lavatories and you can ask for ear plugs/eye mask. (Eye mask is the same one they put in the J kit...)
I personally bring my own ear plugs/eye mask as I use quality products. I use their tooth brush.
I don't think economy gets slippers either.