Designer Running Skirts 80% polyester and 20% spandex for optimal comfort and stretch Fabric is moisture wicking, antibacterial and protects from the sun's harmful UV rays Designed to be worn over shorts, Capri?s, bike shorts ,bathing suit, or leggings. See matching shorts and leggings and sports bras and headbands. The back pocket is centered on the back and measures 6? wide x 3.5 inches tall to fit an iPhone. Made in the USA