PUMA Men's Faas 100 R Running Shoe 100% Synthetic/Textile Synthetic sole High rebound Ortholite sockliner provides responsiveness and step-in comfort through the gait cycle Single-layer mesh sandwiched between bonded overlays and an internal suede forefoot support structure to provide an extremely lightweight one-piece upper Evertrack high-abrasion carbon rubber outsole Built for speed and airflow, PUMA throws in iconic style to complete the package.