New scrub tops, 100% cotton: Tafford Mock Wrap size Small x 4 (measures 21.5 inches across front of top from armpit to armpit). These shirts run big! Mary Englebreit V-Neck size Medium (measures 22.5 inches across front of top from armpit to armpit) $25 each No try-ons, measure one of your current well-fitting scrub tops for size comparison.