Frame Color Grey Lens Color Chrome Silver Brand KALLO Model yh-013 Quantity 1 Set Shade Of Color Gray Frame Material TR90 Lens Material PC Protection UV Gender Unisex Suitable for Adults Frame Height 4 cm Lens Width 6.4 cm Bridge Width 1.8 cm Overall Width of Frame 13 cm Other Features R90(Plastic titanium) material proportion is 1.0(lighter than plastic frames 20%) lightweight memory fucntion good elastic not easy to deform high temperature resistant suitable for long time wear. VO multi-layer deposition of mercury piece(also named REVO) using the U.S. space agency NASA invention of high vacuum ion plating technology on lens surface plating layer 9 mercury effective filtering ultraviolet (UV) light reduce glare and blu-ray enhanced heat insulation effect make the light relative to effectively achieve the retina increase the discrimination ability of the object suitable for water sports alpine environment limit and used in harsh environments such as desert campaign Packing List 1 x Sunglasses 1 x Pouch 2 x Replacement PC lens