FEATURES Hydroglide fabric - smooth, ultralight, and with a low profile. For sensational underwater glide. Lower drag and reduced turbulence in critical zones. Unique internal taping structure - carbon infused woven lining, placed strategically to activate major muscle groups. For an added feeling of support, body hold, and streamlined speed. Carbo light cage fabric - a tight horizontal and vertical grid that surrounds specific muscle groups for strong muscle compression but with a light feel. Low drag. OUTER SHELL - Fabric 1 (HIDROGLIDE): 58% Polyamide/42% Elastane OUTER SHELL - Fabric 2 : 64% Polyamide/34% Elastane/2% Carbon Fibre INSIDE LINING - 49% Polyamide/50% Elastane/1% Carbon Fibre The Arena Womens Powerskin Carbon Glide Kneeskin is a FINA-approved women's racing swimsuit, designed to give you a sensation of speed that is harnessed through technology built to provide an enhanced glide. You will feel a sensation of cutting seamlessly through the water. Two completely new fabrics combine to deliver an unbelievable feeling of speed in the water. *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.”