Fitting rooms are provided in most stores where you may try on items before you purchase them. The cup size will depend on the size of the bust. Cup sizes are AA, A, B, C, D, DD, with A being the smallest size and DD being the largest size. Ask a salesperson for assistance if you do not know your size. Department stores usually sell trousers already hemmed.
Underwear comes in small, medium, large, or extra-large sizes.
The smallest is A and the largest is D. Suits are sold according to chest measurement and waist measurement in short, medium, or long lengths. Be sure and try on the suit and check for fit in front of a mirror. To find your correct shoe size, ask a salesperson to measure your foot. Be sure you try out the shoes in the store before you purchase them, as shoes cannot be returned after they have been worn. Socks correspond to shoe size.