The Men's Better Sweater 1/4 Zip Fleece from Patagonia is a warm quarter-zip with low-bulk, made of soft, sweater-knit recycled polyester fleece. The 100% recycled polyester knitted fleece is dyed with a low-impact process that significantly reduces the use of dyestuffs, energy and water compared to conventional dyeing methods. Raglan sleeves aid mobility and pack-wearing comfort while the flat-seam construction reduces bulk and helps eliminate seam chafe.