• Birdz Interchangeable Lens Glasses Interchangeable glasses with FOUR sets of lenses! These glasses have rubber nose and ear pads for comfort. Lenses are shatter resistant polycarbonate with 100%UV (UV400)protection. Matte black frame- Comes with easy to change out lenses. • UV400 Polycarbonte Lenses • Gloss Black Padded Floating Frame • Four Lenses Included (Clear, Smoke, Yellow, Polarized Smoke)