This Grip Strong Life women's racerback tank top is a high quality, fabric-laundered lightweight cotton-poly jersey. 

 Material:  60% Combed Ring-Spun Cotton 40% Polyester for 100% comfort 

High Point Shoulder (HPS) is measured from the highest point of the shoulder to the bottom hem of the shirt

Bust/Width measures across the bust 1”” below the armhole, seam to seam.