"Aetrex Casual Comfort Orthotics are designed for everyday wear and provides optimal support and cushioning. 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. L620 - Our orthotic for low arches to flat feet with no forefoot pain, featuring a posted heel to control over-pronation and provide balance.