Abstract: The important feature of this invention is the breast cups. Each breast cup having a circumferential perimeter with a sewn in drawstring chamber about the entire circumferential perimeter; a drawstring secured within the drawstring chamber; a drawstring having a first end entering the chamber at an upper inside top edge of each breast cup at a base of an attached shoulder strap; the drawstring circumferentially surrounding the cup through a chamber and having a second end exiting at the bottom of the shoulder strap and a locking cord lock fastener to tighten and lock the drawstring to adjust the breast cups about a wearer's breast. The Drawstring Breast Cups are designed to offer the large breasted and overly heavy breasted females better support and the illusion of smaller breast size look. However, it is also suitable for the smaller breasted females seeking the illusion of fuller breast size look.