Bolle Upshot Sunglasses Bumps, slopes, undulations, breaks. No problem. Never before has a putting surface been so exposed to a golfer. Engineered to bring out every curve and elevation change in the grass, our EagleVision lenses will put you in charge. Not the green. EagleVision 2 Dark Lenses Darker version of EagleVision 2 lens. Ideal for bright days on the golf course. All the technology of our EagleVision 2 lens yet darker for the brightest of days on the course. •23% Transmittance Fits MediumLarge Shiny Black Frames Features Glare not only comes from the front of lenses, it can also be a problem on the inside of your sunglasses. To counter that, we put a scientifically engineered coating on the back side of most of our lenses to reduce eyestrain. All of our lenses exceed American National Standards Institute ANSI requirements for UV protection, impact resistance and optical clarity. Bolle exceeds the industry standard with 100% UVAUVB protection. A proprietary, industrial strength coating is applied to both sides of the lens to protect against scratches. Frames By only using the finest grade nylon available, we're able to manufacture frames that are extremely strong, yet lightweight and flexible. Adjustable wire core temple tips help increase comfort by letting you customize your fit. select models Integrated spring hinges are designed to exacting standards, giving you just the right amount of tension on your temples for a secure and comfortable fit.