Inov-8 Men's F-Lite 320 100% Mesh Meta-cradle upper support cradles fore foot behind metatarsal heads to provide a secure foot hold Supportive upper with 4-arrow midsole cushioning for highest level of comfort Structure lacing upper support cradles and distributes presssure across metatarsals. Slightly less aggressive lugs make this tread pattern perfect for harder packed surfaces, good option for road and trail combination