Size Medium is 25" from High-Point Shoulder. Other sizes are graded.
Model is bra size 34C and wearing a size Small
KiraGrace PowerStrong: Supplex/Spandex
*SUPPLEX® combines the traditional appeal of cotton with the performance benefits of modern fiber technology. Supplex fabrics are breathable, hold their shape, and dry faster than cotton. Supplex manages moisture and keeps its vibrant color wash after wash.