Adult Photochromatic Cycling Glasses Perf 500 Light

Category 1 to 3 photochromatic lenses: filters 15% to 55% of light at 23°C.In cold weather (under 10°C), the change in tint is highly reduced. Standard ISO 12312-1.Full UV protection filter

Photochromic lenses automatically adjust to light intensity.Lenses darken in approximately 30 seconds (takes 45 seconds to lighten).The perceived brightness does not change much even when the outside brightness level changes.For example, when cycling, the change in tint is almost imperceptible.The tint adjusts gradually, and the eye adjusts to it.The lenses tint faster in cold temperatures.

Frame material: polyamide.Nose pads material: impact resistant polycarbonate.Arms material: polyamide + rubber.Arm tips material: impact resistant polycarbonate.Size: suitable for all types of faces (narrow to large).

To effectively clean the treated lenses, rinse them under water with or without liquid soap and gently rub with your fingers.Allow to air dry, then wipe gently with a soft, dry (glass cleaning) cloth to remove any remaining marks