Woot offers Ray-Ban RB2027 Predator 2 Matte Black/G-15xlt Lens, One Size for $59.99 (orig. $124.99). Free shipping for Prime Members. 

Product Description:
Look killer good in these sporty Ray-Ban RB2027 Predator 2 sunglasses. Lightweight plastic propionate frames. G-15xlt glass lenses absorb up to 70% of visible light and 100% of all UV and some blue light without altering color relationships. Base curve 8. Lenses are Rx-Able (prescription ready). Integrated nose pads. Brandmark at temples. Protective case included. Dimensions:Lens 60mmW x 33mmHBridge 16mmTemple 124mm 

• Look killer good in these sporty Ray-Ban RB2027 Predator 2 sunglasses.
• Lightweight plastic propionate frames.
• G-15xlt glass lenses absorb up to 70% of visible light and 100% of all UV and some blue light without altering color relationships.
• Base curve 8.
• Lenses are Rx-Able (prescription ready).