... delivery within 4 days after your payment Men's far infrared massage sock Function:1) stimulate acupuncture points of the ... plantar reflex zones,2) improve the foot microcirculation3) Static massage on the foot, stimulating the circulation of the blood and ... muscles and joints to relax4) Antibacterial, warm, dehumidification, agsinst foot odor5) With a significantly improving effect on athlete's ...