So sleek! Athleta - NWT Speedwork Tank in black, Size Small FOR: Long distance, short distance, and trail running FEEL: Sleek, lightweight performance jersey FAVE: Bonded seams provide non-chafing performance Reflective details for early or after-dusk workouts Recycled Nylon/Spandex WICKING. Pulls sweat away from the body so it can evaporate faster QUICK-DRYING. Dries in a flash for the ultimate comfort when breaking a sweat BREATHABLE. Sweat can travel through the fabric so it can evaporate on the surface Machine wash and dry, too!