Classic O2 size M

AIRfeet® CLASSIC O2 - All Day lifestyle massaging Insoles are designed to ergonomically disperse an impacting energy. The Super Thin 2mm design made to fit all footwear. Place them right on top of existing footbed or insert - no tearing your shoes apart. An excellent insole that combines multiple features and comes with a 6-month warranty. Super thin, reversible, patented flip-flop hole, 4 simple sizes (S, M, L, XL) and fits all shoes. 80% Length of Dynamic Active Motion, Classic O2 compliments orthotics and is FSA/HSA eligible. Just Slip Them IN ! Reversible side is Black Ergonomic Comfort for those long days of Standing, Walking, Working, Sports or just living. Let's help you understand AIRfeet. PLEASE watch this video: AIRfeet Technology Video It’s the Best Weird you’ll ever feel! See How AIRfeet DYNAMIC Active Motion works Our customer feedback has shown excellent comfort & relief for - Flat Feet, Plantar Fasciitis, Flat Feet, Foot - Knee - Hip - Back Pain. Plantar Fasciitis, Flat Feet, Neuropathy, Leg Fatigue, Circulation, Back, Leg, Knee & Foot Pain. Ergonomic design and tested to ASTM F1614 shock attenuation Removable, Interchangeable and Reversible Compliments Orthotics Super Thin - (2mm) Massaging, Dynamic and Patented Technology Machine Washable 6 month warranty NOTE: Packaging may vary from retail sleeve to plastic sleeve