Features:

SMART & CONVENIENCE: 3 in 1 Intelligence lenses changing from bright to dark based on the UV intensity. Brighter indoors and darker outdoors. And the lenses can brighten from the dark quickly, so there is no need to change lenses for different light conditions.

ADJUSTABLE & CUSTOMIZED: A flexible fit for different facial contours benefit from adjustable high toughness rubber temples. Furthermore, soft rubber nose bridge can be adjusted to your expected angle. Cozy temples and nose bridge are softer for all day long wearing than plastic.

CLARITY VISION & EYE PROTECTION: Transparent lenses in the normal light condition and changing from different light conditions ensure your clarity of vision. (Can be used at night.)

DURABLE & LIGHTWEIGHT: Only 30 grams, light weight from the glasses. PC-made lenses and frame are processed into durable ROCKBROS photochromic lenses goggles.

Package includes: chunky case*1; inserts for prescription lenses*1; a small pouch for glasses*1; wipe cloth*1; frame buckle*2. Notice: When wearing photochromic cycling glasses through the dark tunnel or the lenses are dark, we suggest slowing down to ensure your safety.