The Powerskin ST NEXT Open Back from Arena is the first FINA-approved racing suit to include pre and post-consumer textile waste in its design. This revamped version of the ST is longer lasting and 20% lighter which enables faster swimming and minimal drag. Designed for the optimal balance of compression and ease of use it is the perfect entry-level tech suit or advanced training swimsuit. 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." Arena Women's Powerskin ST NEXT Open Back - Black Size: 22