Frame is made of high quality PC material strong flexibility ; comfortable to wear. More polarized lens UV400 100% UV protection polarized lenses in the nature of polarization so can be completely cut off for scattering; Inflectional; such as reflection and dazzling glare caused by various factors. At the same time also can have harm to the human eye light completely cut off make a person not easy tired eyes in bright light long-term activity achieve real protection function and to see things more clearly; Stereo. Nose USES high-grade rubber non-slip comfort and gather the perfect of human body engineering technology. Non-slip feet set of comfort good joint degrees increased sweating frames holding power sport headband can be convenient to wear during vigorous exercise can avoid the glasses. 5 lenses can replace freely according to different climatic conditions suitable for driving; Cycling; Ski; In the field. Travel etc. Various kinds of outdoor sports.