■Boot air massager provides massaging comfort for your calf and foot. ■3 massaging zones at calf, ankle and foot to choose from for ultimatecomfort ■Adjustable straps for various needs. ■Drives away the tension and stiffness at your calf in seconds ■Provides better blood circulation for lower end of your body ■Helps pump blood back to the heart ■Unique and simple to use controller for ultimate comfort ■Simply equipped and easy to use. ■Provides health and comfort for your whole family.