With the unique Aquablade fabric, the Speedo Aquablade Male Brief Tech Suit delivers a lower drag co-efficient and is slicker than skin! Stripes create channeling effect to streamline water away from the body.-AquaBlade? water-channeling stripes significantly reduce drag, giving you a competitive edge.-Fina approved.-Front liner.-Drawcord at waist.-Entry level championship suit.-Will ship in a competitive box.