We size all our bras with the same sizing standards. You should wear the same size in all 4 styles. However, some women prefer a different fit for each style. The Flex Sports Bra has a V-neckline and the Ultimate Sports Bra has a U-neckline. This can result in less coverage in the Flex than the Ultimate.
Some women who are on the edge of sizing will choose to go up a size in the Flex Sports Bra.
Our Low Impact Sports Bra and our Lounge Bra are made of a
seamless material that fits snug when you first put it on, some women prefer to
size up in these styles, and some enjoy the compression of their same size.
For additional cup space in the Ultimate Sports Bra, Low Impact
Sports Bra and the Lounge Bra, try removing the breast cup inserts before you
go up a whole size.