AIRfeet Outdoor O2 Insoles Knee Pain The thoughtfully engineered base includes

The thoughtfully engineered base includes a no-slip rubber grip bottom that keeps it stable during use

and calves through various foot exercises and stretches

These insoles are designed for everyday use - standing

Use as an alternative to toe spacers and bunion pads

AIRfeet Outdoor O2 Insoles Knee Pain The thoughtfully engineered base includesThe AIRfeet Outdoor O2 massaging insoles are designed to ergonomically dispense an impacting energy. They are made with a super thin design and are made to fit all outdoor footwear. Place the insole right on top of the existing insole with no need to tear your shoes apart. AIRfeet were designed for simplicity of use with outstanding results. Use the perforated trim lines for a trim to fit option for the best fit inside of your shoe.