Aetrex Women's Speed Insoles

Top Cover Material: Mesh fabric with antimicrobial lining; Center Cushioning Material: Exofoam for super light-weight cushioning; Performance Base: Aerocell polyurethane for high energy return; Neutral forefoot without metatarsal support (for those not suffering from ball-of-foot discomfort); Cupped rearfoot for cushioning and stability (for medium/high arch feet); Insole Thickness: .2165"; Recommended for: running, cross country, HIIT workouts, sprints, interval training; Best for: running shoes, athletic sneakers, tennis shoes