This sweater is fabulous! Excellent quality! Extra Chunky for those chilly days. Fold over turtleneck style. 60% acrylic, 40% cotton. Laying flat, S/M measures 23” across armpit to armpit, and 27” top of shoulder to bottom. M/L measures 24” across armpit to armpit, and 30.5” top of shoulder to bottom. Comes to you in it’s original sealed packaging with tags attached. Photos taken in several different lightings.I’m modeling the S/M.