Vibrant and durable, the Morphology Lingerie Tank One Piece delivers Nike Performance Poly to keep its shape and stand up to chlorine in the water. Keyhole back. All over print. Skinny straps reduce tan lines. High cut leg allows full range of motion. Comfortable for long periods of use. Nike Performance Poly: 100% Polyester. About Nike: When you think of Nike, you might not think of Nike Swim. Nike is known for its well-crafted sporting gear and training equipment, as well as its easily recognizable swoosh logo and "Just Do It" slogan. More recently, the company has gained popularity for its production of competitive swimwear. Swimmers are now turning to Nike for swim goggles, Nike competition suits, Nike swim caps and Nike swimming bags. Nike swimsuits and Nike swimming warm-ups are always a great choice for any swimmer. Go Hydra with Nike's popular line of technical suits. They have a specially formulated Nike Hydra material to help reduce drag. You can also choose an array of products from the "Nike Swim Team" line. By creating quality men's Nike swimsuits, women's Nike swimsuits and Nike swim kickboards, Nike Swim is beginning to make a splash in the swimming world.