Understanding movement on black — Wave Theory is for women who are interested in the physics of things as much as the feeling of them, who want to understand why the ocean does what it does as much as they want to stand in it.Fabric: 100% Premium Cotton (240 GSM French Terry). Fit: Oversized drop-shoulder silhouette. Wash care: Machine wash inside out on cold. Do not iron over print. Tumble dry low or hang dry.