Gravity Defyer Shoes are a footwear brand that debuted their shoes in the year 2008, featuring a spring as part of the sole to enhance shock absorption. They were originally known for their original logo that was similar to sperm. Gravity Defyer produces a diverse selection of sport shoes, casual shoes, and dressy shoes. https://thefootwears.com/the-ftc-complaint-against-the-gravity-defyer-footwear/