Aetrex Train Orthotics are designed for gym goers wanting comfort and injury prevention during workouts and training sessions. 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. Orthotic Features: Cupped Heel Polyurethane Helps With: High Instep Shock Absorption Arch Pain Pregnancy Plantar Fasciitis Heel Pain Materials: Top Cover Material: Ultra soft mesh polyester fabric to maximize airflow and reduce moisture Center Cushioning Material: FitGuard(TM) to cushion every stride with slow recovery memory foam Performance Base: Aerocell(TM) polyurethane for high energy return Measurements: Insole Thickness: .2165" Comfort Details: Recommended for: Gym workouts and Training sessions Best for: Gym sneakers, Training shoes, Athletic sneakers, Tennis shoes Care Instructions: We recommend spot-cleaning Aetrex Orthotics with clear, mild soap and a damp cloth, and air drying naturally. Do not machine wash or dry.