L720 -Our orthotics for low arches to flat feet with no forefoot pain, featuring a posted heel to control over-pronation and provide balance.Details: Top Cover Material: Mesh fabric with antimicrobial liningCenter Cushioning Material: Exofoamandtrade for super light-weight cushioningPerformance Base: Aerocellandtrade polyurethane for high energy returnInsole Thickness: .2165""Recommended for: Running, Cross Country, Hiit workouts, Sprints, Interval TrainingBest for: Running shoes, Athletic sneakers, Tennis shoes