Duduma Polarized Sports Sunglasses Driving Glasses Shades for Men TR80821 Unbreakable Frame for Cycling Baseball UNIQUE DESIGN-Combining the best of performance eyewear with versatile style, the Duduma Sunglasses have a clean, lightweight design and ventilation ideal for running, training, and beyond. UNBREAKABLE FRAME-Bendable frames are made of a flexible composite material. They are unbreakable and will return to the original shape even after being bent. HD POLARIZED LENS-Duduma HD Polarized lenses filter out 99% of reflected glare without the haze and optical distortion that can come with polarized lenses made with conventional manufacturing techniques. ULTRALIGHT-The extreme lightness is the result of revolutionary superlight materialsThe extreme lightness of Duduma sunglasses is the result of a combination of advanced design technology and revolutionary, exclusive materials. LIFETIME WARRANTY & 30 DAY MONEY BACK GUARANTEE-Duduma provides lifetime after sale service for all Duduma sunglasses. Customers can return or get refunded for any reason. You have no risk to try.In order to give the best shopping experience to customers, the sunglasses cases were updated. The black cases will no longer to use. The black case and the new case will send to you at random during the transition period.