Rockrider Photochromic Mountain Bike Glasses Cat 1-3

These cycling glasses are designed for getting started with cross-country mountain biking.These XC Pack Photo mountain biking glasses help to protect your eyes against mud, dust and kicked-up vegetation. The lenses cover your face well and are photochromic.

LENSES

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 filter

Material: impact-resistant polycarbonate.

Full coverage for optimum protection from the elements (mud, dust, insects, etc.).

PHOTOCHROMATIC TECHNOLOGY

Photochromatic 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

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

CASE

Glasses come with a protective case

Warranty

2 years (frame + lenses)