From the Old Navy Website: Breathe ON is a soft, breathable stretch knit that feels great for all kinds of moves. Features include pieced trim at scoop neck and arm openings; breathable mesh panel down center back; breathable, lightweight jersey let you vent; and four-way super stretch for ultimate movement. About this Top: Excellent condition. Washed once, never worn. No rips, tears, or stains. Size is petite small. Color is maroon. Materials: Polyester, Spandex