The Yuden sweater combines the benefits of merino and alpaca wool with the durability of nylon. It's warm, comfortable even when damp, and requires minimal washingmaking it your new favorite sweater! NOTE! Unlike in the product image, the torso area is very wide. Sample measurements from a size S, when laid flat on a table: Center back length 64 cm, hem width 54 cm, armpit to armpit 51 cm, sleeve length from shoulder to cuff: 46 cm. Sherpa Adventure Gear donates one school day's worth of money to the Nepal Education Program by Room to Read for every Sherpa product purchased. - 65% ultra-fine merino wool, 30% recycled nylon, 5% alpaca wool - Naturally odor-resistant, low-maintenance - Hand wash - The wool is RWS (Responsible Wool Standard) certified Yuden is a popular Tibetan name meaning "precious stone" or "goddess of turquoise."