PRODUCTS DIMENSION-Frame material: TR90 and rubber, Lens width: 2 7/16" (62mm), Frame width: 5 1/2"(140mm), Lens height: 1 9/16" (40mm), Frame height: 1 11/16" (43mm), Bridge (DBL): 3/8"(10mm), Temple length: 4 15/16" (125mm),Spring hinge: No, Head size: Medium
SUPERIOR FRAMES – Made from the same material commonly used by the military and in medical applications, our frames are lightweight, extremely flexible, and heat and UV resistant. frames are well known for their strength, lightweight comfort, shape integrity, and impact resistance. This ultra-lightweight and malleable material translates to a very comfortable fit.
BIFOCAL SUNGLASSES OPTICAL PERFORMANCE-the pupil distance(PD) is 59-63mm,the deviation for pupil distance(PD) less than 2mm,the deviation for strength less than 0.02,the deviation for lenses's horizontal line less than 1mm
SUNGLASSES-Included a EVA zip case,microfiber pouch and cleaning cloth.UV 400 Protection Scratch Resistent Coated Lenses,Polycarbonate Lenses and Optically Correct.