prAna Women's Alesandra Top Heathered jersey knit Button down silhouette with horizontal pintucks at chest Shirring at back with grosgrain ribbon detail Quick Dry: Water resistant, these products keep moisture on the fabric's surface making it easy for the sun and/or air to lift moisture out and promote evaporation UPF (Ultra Violet Protection Factor): The protection given to the skin by a fabric is indicated by its UV Protection Factor (UPF)