BOLD Flash Photochromic Sunglasses – Light-Adaptive Performance Eyewear

Lightning fast transitions, zero lens swaps. The BOLD Flash sunglasses are designed to keep up with changing light conditions and changing terrain — all in a sleek, performance-first frame. With a modern semi-wrap shape and light-adaptive photochromic lenses, Flash adjusts automatically from clear to tinted as the sun comes out or the trail dips into shade.

Perfect for mountain biking, trail running, gravel grinding, and backcountry ski laps, the Flash offers flexible, all-day clarity without compromise.

Photochromic Lens Technology
These lenses adapt on the fly, darkening in bright light and clearing up in overcast or forested conditions. No fumbling with lenses or squinting through the shade.

UV Protection: Fully UV Protected

Color Options:

• Black

• Blue/Yellow

• White

What’s Included: Custom box, hard case, lens cloth, and microfiber pouch — everything you need for wherever you go next.

Browse the full BOLD sunglasses collection.

Read our guide: Best Photochromic Sunglasses for Mountain Biking to see how the Flash compares for trail riding.