“Swim fabrics stretch a bit when wet, so sizing down or staying true to size is better when you're spending most of your time in actual water,” she says. “If you're staying dry most of the time, sizing up could help you feel more comfortable since the natural stretching won't happen when the suit stays dry.14 Jun 2021
How do I know my bathing suit size?
Take Your Swimwear Measurements With a tape measure, you can quickly figure out your swimsuit size. While standing in your underwear (don't wear your normal clothes, or you won't get accurate figures), wrap the tape measure around the fullest part of your bust and jot down how large it is.
What is a size 8 swimsuit?
Standard Size US Size Bust
------------- ------- ----
4 34
M 6 36
8 38
L 10 40