- A warm, low-bulk quarter-zip jacket made of soft, sweater-knit 100 percent recycled polyester fleece. Quarter-zip with zip-through, stand-up collar. Raglan sleeves for mobility and pack-wearing comfort. Zippered left-chest pocket. Shape-holding micropolyester jersey trim at cuffs and hem resists abrasion. Flat-seam construction reduces bulk and helps eliminate seam chafe. Fair Trade Certified sewn.