Far infrared ray can promote blood circulation, strengthen human immunity, reduce muscle fatigue. Inhibit the foot bacteria breeding, achieve antibacterial, anti-inflammatory, effectively reduce the odor, keep your feet comfortable.The interface of the insole changes rapidly with the change of posture automatically adjusting the partial pressure and cushioning. JFT sport insoles, middle and rear segments are patented convection air bag designs. When compressed the air between the four air bags can circulate with each other to evenly distribute the pressure of the body. The pressure is dispersed by 34% which tested by professional institutions,and the feet have a significant decompression and burden reduction, easing and reducing the sense of shock. Forefoot is designed with two unique large airbag, when the movement starts, the large airbag in forefoot compression, internal air rapid diffusion flow, so as to form the"anti-gravity" effect of uniform partial pressure, greatly reduce the foot pressure, effectively relieve exercise fatigue, reduce the unnecessary stimulation to the plantar acupoints at the same time.Shallow diversion tank, ventilation and heat dissipation. Patented convection shallow groove design, farewell to the traditional 100% close to the foot, always keep fresh and comfortable,effectively improve sweaty feet, away from feet itching and smelly. This is a product with a multinational patent, using imported fabrics, pay attention to the details of product technology and material durability; With the ergonomic design that fits the sole of the foot, no matter it’s daily use, travel,camping, mountaineering and other activities, can ensure durability and comfort.