[Far Infrared Height Gain Socks] High performance sports socks feature a unique combination of far infrared technology, Schorl minerals and titanium ions to stimulate blood circulation and promote height growth. [Boosts blood circulation] The far infrared technology used in the height increasing socks generates heat that penetrates deep into the skin and tissues, stimulating blood circulation and boosting metabolism. [Cushioned sole] Features a soft plush sole cushion construction for added comfort. An addition to the heel provides abrasion protection, protecting your Achilles tendon from injury due to friction from the shoe. [High quality material]: Made of polyester, spandex. The high quality material makes the sports socks very breathable and comfortable to wear without irritating the skin of your feet. [Performance Enhancement]: Our compression running socks are a great addition to your workout gear for running, cycling, basketball, football, weightlifting and many other sports. It can also help with oedema and heel spur recovery. Also helps to strengthen the foot and prevent future muscle damage.