Patagonia Women's Ponderosa Pine 1/4-Zip. Size M. "The Ponderosa Pine 1/4-Zip is the sweater you'll want with you whether you're going downtown for groceries or at your winter cabin for the weekend. This lightweight pullover features a blend of organic cotton and ThermoLite yarn, spun to provide breathable warmth that wraps you in comfort without overpowering you."