The Columbia Sun Trek Racerback Tank Top for Ladies boasts Omni-Shade UPF 50 sun protection and Omni-Wick moisture-wicking performance to keep up with your active lifestyle on those warm, summer days. The streamlined design provides a seamless, comfy fit whether you're hiking your favorite trail or relaxing with friends. The Columbia Sun Trek Racerback Tank Top for women is made from 56% polyester/37% cotton/7% elastane. Machine wash. Imported.Manufacturer style #: 1991631. 56% polyester/37% cotton/7% elastane Omni-Shade UPF 50 sun protection Omni-Wick transports sweat away from your skin Streamlined design with a racerback