Soft, highly insulating and durable, the Patagonia Men's Better Sweater Fleece Vest has a plush fleece interior that feels broken in and a resilient sweater-knit face that resembles wool. Made of quick-drying 100% polyester, it s dyed with a low-impact process that significantly reduces the use of dyestuffs, energy and water compared to conventional dyeing methods. A stand-up collar warms your neck and a vertical chest pocket holds the day's essentials. Features: Made of bluesign approved 100% polyester fleece with sweater-knit face, fleece interior and heathered overdye yarns; dyed with a low-impact process that significantly reduces the use of dyestuffs, energy and water compared to conventional dyeing methods Full-zip vest with zip-through stand-up collar Offset shoulder seams for pack-wearing comfort and long-lasting durability Zippered left-chest pocket; two zippered handwarmer pockets Shape-holding