Used once or twice. Purchased from REI Excellent condition. Air-permeable, quick-drying Ostria stretch-knit fabric delivers excellent moisture-wicking performance and UPF 50+ sun protection Reflective blazes and bar on the shoulder add visibility in low light Strategically placed seams increase comfort and reduce chafing No-lift gusseted underarms Tags: Patagonia, Prana, REI, Outdoor Research, Arc'teryx, Fjallraven, Outerknown, Filson, Huckberry satisfy running, Hoka, District Vision, Alo, Reigning Champ, satisfy. mothholes, moth eaten