The L400® Sports Series provides superior cushioning and shock absorption for athletic and walking footwear. It includes a soft, CopperGuard® top cover made from state-of-the-art copper fibers to help prevent bacteria, fungi and odor. An advanced Lynco arch support comfortably balances your feet and provides proper body alignment. It features a Pro-Shox® center layer for comfort and shock attenuation and an AeroCell™ polyurethane core for support and shape retention. It’s lightweight, resilient, and provides unmatched support and stability. This outsole is cupped in the rearfoot to stabilize and cushion and is recommended for medium and high arch feet. The forefoot is neutral and has no metatarsal support. Recommended for those not suffering from ball of foot discomfort.