Chameleon X400 Cat4 Glacier Glasses

The Bloc Chameleon X400 Glacier sunglasses are engineered for extreme conditions, delivering maximum protection and adaptability. Featuring a shiny black frame with Category 4 lenses, they’re built for high-altitude, snow, and sea environments where glare and intensity demand the highest performance.

Category 4 lenses – ultra-dark tint for eye comfort and protection in the brightest conditions (not suitable for driving)

Removable wind gasket – shields eyes from wind, dust, and debris in challenging environments

Interchangeable arms – easily switch from mountain to urban use for versatile styling

Ideal for extreme sports, mountaineering, and sailing

Maximum UVA, UVB, and blue light protection – filters harmful rays up to 400nm

Impact-resistant, distortion-free XTR Karbon8 optical class 1 lenses – ensure durability and visual precision

Certified to BS EN ISO 12312-1:201 standards

Frame dimensions – 66 ☐ 19-155

Perfect for adventurers and professionals who require reliable, high-performance eye protection in the harshest light conditions.