ThermoSkin Plantar FXT X Small M 3 5 W 4 6 Nested Stools from foreign components * Meets Oxygen Masks from foreign components * Meets or exceeds ANSI AAMI ISO 81060 1 * Gauge Warranty: Lifetime * Inflation Warranty: 3 Year * Knee Medium Cuff Only * Measurement: 18 23 measured 6 above knee cap * X Small Mens 3 5 Womens 4 6 * Has a semi rigid strap that pulls the toes upward and the foot into a slight dorsiflexion position * This gently stretches the plantar fascia so it may heal * The combination of the thermal properties that help reduce inflamation and the stretching of the plantar fascia while sleeping may aid in the treatment of Plantar Fasciitis * Non slip Safety SoleTM rubber grip bottom helps prevent slipping *