The bra size is the measure which indicates the size characteristics of a bra. Bra sizes are This sizing system employs a combination of maximum chest diameter (under bust) and maximum bust diameter (bust) rather than the actual breast.
From the Guinness World Records — > The largest natural breasts belong to Annie Hawkins-Turner (aka Norma Stitz) (USA) who has an under breast.
When people talk about breast size, they often describe it in terms of bra size. Here are nine tips to help you ease into maximum comfort. Plus.