Vital Salveo- Bamboo Charcoal Outdoor Merino Wool Hiking Socks, Dark Gray (Crew)-Large

Far infrared can penetrate to subcutaneous tissues, and have the work of warming, messaging, and promoting blood circulation. Not only raise body oxygen levels but also develop immunity and balance body hydrogen ion concentration. Negative ion energy is also called "Airborne Vitamins." It can neutralize ambient pressure and the acidification of negative ions to coordinate body. Causing positive adjustments, increasing brain power and activity and make work effectiveness. Bringing comfortable relaxation and calming emotions, aiming the promotion of health.