Lightweight and made with modern materials, the Puma Womens Faas 550 Tennis Shoes  White are a great choice for training. An Everride blown Evertrack high abrasion resistant outsole provides lightweight durability and cushioning. Midsole features a Bioride construction with KMS-Lite material, which is 30% lighter than standard EVA. Bonded TPU upper is made with synthetic mesh and nubuk construction. An Ortholite sockliner provides maximum fit and comfort and optimized air circulation. Id-Cell Lasting adds cushioning and reflectives provide safety at night.