Speedo open back tech suit. Worn for one race, properly rinsed and stored, in excellent condition. From Speedo website description: Features of this suit include: Lightweight construction: Makes you feel lighter and higher in the water. Moderate compression: Provides muscle support while allowing a good range of motion. Compressive inner leg seam: Offers greater support for leg muscles and kicks. Improved finishes and bonded seams: Reduce water resistance and drag. FINA approved: Suitable for competitive swimming.