The Nike Dri-FIT One Elastika Tank is our most versatile top, designed for all the ways you work outfrom the machines to the mat to the miles. Soft, smooth fabric (made of 100% recycled polyester fibers) comes in a breathable silhouette to keep you cool and dry. The breathable design with Nike Dri-FIT technology moves sweat away from your body for quicker evaporation, helping you stay dry and cool.Nike Dri-FIT One Elastika women's T-shirt.