PATAGONIA. 25618BCW. WOMENS BETTER SWEATER QUARTER ZIP FLEECE. BIRCH WHITE. This knitted cross-dye pullover sweater combines the aesthetic of wool with the easy care of 100 percent recycled polyester fleece. Dyed with a low-impact process that significantly reduces the use of dyestuffs energy and water compared to conventional dyeing methods. Fair Trade Certified sewn.