High performance sunglasses for high altitude trekking and mountain use. Reactive lenses rapidly adjust to match light conditions, from overcast flat light (category 2) to the highest level of protection for exceptionally bright sun snow conditions (category 4), meaning just one pair of glasses can provide a full spectrum of protection in the mountains.

Reactiv 2-4 lenses:

• Outstanding protection in the mountains from valley to summit.
• Ideal for high altitude trekking, ski touring, and mountaineering.
• Neutral base colour.
• Internal anti-fog coating.
• Fast response time to light.
• High optical quality.
• Superior robustness and durability.
• Ultra lightweight.
• Photochromic lifetime guarantee.

Other features:

• Durable frames.
  
• Removable side shields protect from peripheral light entry.
• Curved temples with Grip Tech material.
• Nose Grip insert.
• Made in Europe.

Supplied with detachable leash and soft bag.

Visible light protection category: 2 to 4

Visible light transmission: 35-7%

Frame size: Medium