DescriptionThese Socks made of Cloth which and comfortable. Its naturally releases negative ions, waves and far infra-red rays which are highly effective in relieving pain and inflammation. And Its Anti-slip dots socks design which can the efficiency in yoga, pilates, karate, etc.Feature- Color: Black.- Material: Cloth.- Size:28.5x9.5x0.1cm.- Tourmaline infused to help improve blood circulation and micro-circulation within the foot.- The strategically placed tourmaline reflects heat back into the foot to ease pain.- Tourmaline attracts moisture to help reduce sweat by taking it away from the foot.- Perfect for those who suffer from cold feet.- Promote and improve local and systemic blood circulation.- Anti-inflammatory, detumescence role.- Far-Infrared can promote blood circulation and balance body, good for your health.- Anti-slip dots socks can the efficiency in yoga, pilates, karate, etc.