Brand: RockBros
Color: White
Product Details: Condition: New in Original Packing Box Lens Technology: NXT Weight: 30g Frame Color: White Specifications: 1 glasses case 1 glasses bag 1 Temple-tip Features: ULTRA LIGHTWEIGHT TR90 is incredibly lightweight, which contributes to the comfort of our eyewear. NXT Photoochromatic Lens PPG' s NXT photoochromatic Lens,which is top level in optical lens,is used in some of our products.the lens is made of TRIVEX,The patented formula of polyurethane optical polymer materials.TRIVEX was originally designed as the bulletproof material in military,so except to clear appearance and high definition,it also has good protection performance and ultarlight advantage(10% lighter than PC lens).With NXT new photoochromatic technology,the lens color will change according to the variation of light or UV factor. So the sports sunglasses with NXT lens are suitable for a long time use. Remark:better to use full-revo lens while long time stay in strong light condition. Product Maintenance: Don¡¯t use alcohol or any other chemicals to clean the lens, to avoid surface broken. And don¡¯t maintain the sunglasses in such bad environment of high temperature or long time damp, to avoid deformation.