Made of quick-drying polyester fabric, the Windridge protects your skin from the sun: its UV protection factor is 50. It's also a great choice when it's just a bit too nippy for wearing short sleeves. In addition, its stretch and fit allow for great freedom of movement, so it'll perform well regardless of your favourite sport. - Regular Marmot fit - Highly breathable polyester Driclime fabric with stretch - Long cuffs with thumb holes - Raglan sleeves do their part in enhancing freedom of movement - in addition they ensure there's no seam at the ridge of the shoulder, minimizing risk of chafing - Center back length 58.4 cm