FEATURES FINA-approved 60% recycled fabric - from pre and post-consumer textile waste Flatlock seams and reinforced shoulder straps - for comfort and support Open back long-lasting 20% lighter The Powerskin ST NEXT Open Back from Arena is the perfect entry-level tech suit or advanced training swimsuit, designed for the optimal balance of compression and ease of use. This kneeskin is the first FINA-approved racing suit to include recycled fabric in its design. Made from sustainable fabric, this revamped version of the ST is longer lasting and 20% lighter which enables faster swimming and minimal drag. In order to ensure that your product provides you with the best possible performance for a long time to come, the following precautions are recommended: Rinse immediately after use, in non-chlorinated water Do not leave the wet swimsuit in a bag or other container for a long time Do not expose the wet swimsuit in a bag or other container to direct sunlight Wash with detergents suitable for delicate clothes Air-dry hung up and away from heat sources Please Note: This is a specialised piece of compression swimwear designed for athletes. If you are unsure whether this will be suitable please get in touch with our customer services team “We sell the European Arena Racing Swimsuits which often feature an additional manufacturer's logo when compared to the American varieties. Other than the size of the logos, the suits are identical. Please be aware that the additional logo on Arena's European Racing Suits may exceed the 2.25 square inches of logo allowed in USA competitions. NFHS (The National Federation of State High School Associations) and NCCA (The National Collegiate Athletic Association) have rules on swimsuit branding and these suits are not compliant with the branding restrictions of these organizations. They are however fully compliant with UK, European, and the rest of the world's regulations.”