iChoice Star Activity & Sleep Tracker Blue Couches Mens Medium 7´ 10 * Womens 18747 Mens Medium 7´ 10 * Womens Medium 9´ 11* 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 * Add to any P Tracker can be used with adjustable wristband or belt clip (both included) * Wristband fits wrists up to 8 * Sync the iChoice Star with the free mobile app and online website to track your steps distance traveled weight food intake blood pressure heart rate pulse rate oxygen saturation and sleep progress * Syncs with your iPhone (4S+) iPod Touch (5th gen 3+) device * Retail packaging