The Smartwool Women’s 100% Merino Wool long sleeve base layer is a high-quality pullover activewear top perfect for winter, fall, and spring activities like skiing, hiking, and running. Made from 100% Merino Wool knit fabric, this base layer features a crew neck and a slim fit for comfort and performance. A smart choice for any active woman's wardrobe. The top is in great pre-loved condition. Please see photos. Size M Flat Measurements- Length: 23.75" Shoulder to shoulder: 13.75" Pit to pit: 16.25" Sleeves: 23" Waist: 14.5"