Possible Clues:

• In cold weather, perhaps, this might be of interest
• Having a waistcoat already acquired
• It's of some interest to be in underclothing, it seems
• Perhaps clothed of interest this
• May have such 19 down in underwear
• One may have such an interest in underclothing
• That may be on interest in being saved
• This sort of interest means having a personal involvement
• This may have an interest in having underclothing
• Like a three-piece suit