The lightweight Puma FAAS 300 is constructed with BioRide Technology, an integrated system that gives you a more natural running rhythm and enhanced speed. They also sport a mesh upper for breathability, KMS sockliner that sculpts to your foot for a custom fit, and an EverRide outsole for cushioning. Mens PUMA® FAAS 300 for the minimalist runner looking for a close-to-barefoot feel, the mens Puma® Faas 300 cant be beat. Incredibly light, the Faas 300 is designed with the less-is-more design philosophy to give you incredible performance and to promote natural running form. In addition to a simple design approach, the Faas 300 uses BioRide technology that allows for a smooth, natural, and responsive ride. Race it or hang out in it.