JoyLab Brown Tie-Dye Muscle Tee

JoyLab, a line of activewear sold exclusively at Target. The brand focuses on creating stylish, functional athleisure pieces that can be worn for both workouts and casual outings. The tank top in the image is a "muscle tank" style with a relaxed fit and a round neckline. The fabric is typically a soft, stretchy blend, such as rayon and spandex.