"These goggles are interchangeable (goggles to sunglasses) 100% UV PROTECTION, ANTI-FOG COATING on ALL lenses (some manufacturers provide three lenses, but only one set has the coating) ALL three sets of our lenses have the anti-fog coating! Shatterproof, polycarbonate lenses Three Lenses: DAY (SMOKE MIRRORED) OVERCAST OR DUSK (YELLOW) NIGHT (CLEAR) Foam covered interior for maximum durability and comfort Wear either as glasses or goggles! Includes removable strap and arms Includes Prescription Lens Insert (frame only) Includes Birdz belt case to hold all the extras "