Size up for a more roomier fit and for more length. You will wear this beautiful sweater long after your nursing days! It's so soft AND you can toss in the washer and dryer! The heather purple fabric helps hide leaks and spills! Lift the asymmetrical layer to reveal a criss-cross layer that easily pulls aside. 50% Polyester 45% Rayon 5% Spandex Like all of our designs, we spent so much time on the fit! We make our tops fitted across the chest with more room in the mid-section and hips. Don't size up (like other brands). XS: 0/2 S: 4/6 M: 8/10 L: 12/14 XL: 16/18 1X: (or XXL in misses): 18/20 2X: 20/22 3X: 24/26 Click here for our size chart. Model is a size 4 and wearing a size small. The fabric vendor recommends hand washing but it washes and dries great!