50% sweater, 50% short sleeve polo, 100% great. Details we love: Spun from extra-fine merino wool. Favorite fact: "The perfect lightweight layer. I wear it year-round." - Alice, Women's Designer True to size. Kiran is 5'10" and wearing a size small. Size small measures 36" around the chest, 14.5" across the shoulders, and 22" long. 100% wool.