New Birdz Phoenix Goggles Sunglasses Rx Able 3 Lenses Fill with Your Own Prescription Lenses! This is Rx-able! These are Interchangeable from goggles to sunglasses! 3 sets of lenses also included! Interchangeable goggles/sunglasses with 3 sets of lenses! Shatterproof, polycarbonate lenses. Three Lenses: DAY (SMOKE MIRRORED), OVERCAST OR DUSK (YELLOW), NIGHT (CLEAR) Prescription Lens Insert (frame) included so that you can take to your own eye doctor. 100% UV PROTECTION, ANTI-FOG COATING on ALL lenses (some manufacturers out there say their lenses are Anti-Fog, but only one set has the coating- ALL three sets of ours have the anti-fog coating! Inside of the frame is foam covered for comfort and durability. Comes with sunglass arms and an adjustable strap to wear either as glasses or goggles! Our Birdz belt case also included to keep them in. Very easy to change lenses, single lens pieces!