Reebok Men's Premier Road Supreme 2 Running Shoe 100% Synthetic and mesh Rubber sole KFS (Kinetic Fit System) utilizes a natural form for a perfect fit Mesh and synthetic leather upper provides durable support but remains ultra-light and well-ventilated Play Dry lining wicks away moisture Hardy DMPRTEK rubber outsole is abrasion-resistant and flexible without adding excess weight DMX Ride+ cushioning for enhanced shock absorption and reduced impact strain in the forefoot