How are female plate carriers sized?

Sizing is determined based on the operators chest width. See below for correlating plate pocket size.  Information applies to the following carriers:

TYR Tactical® Female PICO-MV
TYR Tactical® Female Enhanced PICO Integrated Carrier – EPIC™
TYR Tactical® Male & Female EPIC™ Low Vis Carrier
TYR Tactical® Male & Female EPIC™ Concealable Carrier