The Patagonia Boys' Synchilla Snap-T Pullover - Viking Blue is made from lightweight, warm double-faced, all-recycled polyester fleece. The Fleece features classic Snap-T styling, including a stand-up collar, a 4-snap nylon placket, a nylon-flapped pocket at the left chest and tried-and-true Y-Joint sleeves for overhead mobility. Spandex trim on the cuffs and hem keeps in heat. Hand-me-down ID label. Hip length.