PUMA Men's Complete Nightfox TR-M 100% Synthetic and Mesh Synthetic sole Water-repellant performance mesh upper Decoupled heel construction lowers pronation velocity and the degree of pronation at first impact ArchTec links rearfoot and forefoot while providing a natural ride EverFoam slow recovery foam heel provides a personalized fit 3D molded EVA sockliner for perfect instep comfort and performance