The Nike Dri-FIT tank top One Elastika is our most versatile top, designed to take you from the gym to yoga to running. The soft, flowing fabric (made from 100% recycled polyester fibers) lets air circulate to keep you dry and cool. This breathable design with Nike Dri-FIT technology wicks away perspiration for greater evaporation rapide, keeping you dry and cool. Soft, smooth fabric is rounded at the back hem for added protection. Small side slits allow for greater freedom of movement. A trendy take on the classic Nike training top, this style highlights your figure without restricting your movement. The back strap adjusts for a perfect fit. The "Just Do It." print on the inside of the hem offers an inspirational message just for you.