Cycling Glasses Perf 100 Photo Photochromatic CAT 1>3 Lenses - Black

Category 1 to 3 photochromic lenses: filters 15% to 55% of light at 23°C.In cold weather (under 10°C) the variation in the tint is greatly diminished.Standard: ISO 12312-1.Full UV protection filterMaterial: impact resistant polycarbonate.Full coverage for optimum protection from the elements (mud, dust, insects, etc.).

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.A cold temperature will activate (tint) the glass more easily and the tint transitions will be longer.

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).

Glasses come with a protective case

2 years (frame + lenses)