A natural rock collected from Yushan mountains contains dozens of natural mineral elements which including Zirconium, Iron, Titanium etc Yushan stone can convert material energy and form catalytic medium with strong permeable energy. Ice touch fiber can quickly absorbe the human body temperature and gives a quick cool feel to human skin. Ice Touch fiber is anti-UV and antibacterial. It is mainly used in sports wear, knitted apparels, sports towel, mattress upper layer, socks and undergarments.