Our Understory men's fleece base layer takes on the work day in lightweight comfort ? pull it on to feel good all day. This basic quarter-zip shirt keeps you cozy without bulk, with thumb holes, a drop tail and soft, pill-resistant fleece. 100% pill-resistant heathered polyester fleece. Stand-up collar and chin guard provide extra protection from the elements. Integrated thumb holes. Drop tail for full coverage. Chest (M): 45 inches. Back length from high point of shoulder (M): 31.5 inches Imported.