AETREX. L2305M. MEN S PREMIUM MEMORY FOAM MED HIGH ARCH WITH METATARSAL SUPPORT ORTHOTICS. TEAL. Aetrex Premium Memory Foam Orthotics are designed to provide ultimate comfort and cushioning with 43 more memory foam in the forefoot for those experiencing foot discomfort or fatigue.This orthotic features our signature Aetrex Arch Support to help biomechanically align your body help prevent common foot pain such as Plantar Fasciitis Arch Pain and Metatarsalgia.