EXPLOSION-PROOF LENSES - Adopt PC blast-proof lens with grey, blue, yellow and colorful color. 100% UV400 protection coating, blocks 100% harmful UVA & UVB Rays and anti glare. Pass the Drop Ball Test and FDA
ENVIRONMENTAL FRAMES - Medical environmental friendly material is healthier and safer, non-toxic and hypoallergenic
Flexible Legs - Toughness: prevent damage from impact in movement; Comfort: no pain from clip, relieve stress of nose and ears; Lightness: 14g leg, total weight less than 25g with lens