In 2008, Speedo launched the LZR Racer, a high-tech swimwear. Since high-tech swimwear were launched, over 130 world records have been broken.
As a result, FINA, the International Swimming Federation, banned full-body length and high-tech swimwear starting in 2010.
The LZR Racer used a "high-technology swimwear fabric composed of woven elastane-nylon and polyurethane." How do fabrics, impermeability, buoyancy, and swimwear length enhance a swimmer's performance?