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Julbo Montebianco 2 REACTIV High Mountain Cat 2-4 Black/Purple

Colour: Black/Purple

The Julbo Montebianco 2 REACTIV 2-4 stands as the standard for top-tier performance sunglasses in high-altitude environments. It provides complete visual coverage for activities such as climbing, hiking, and biking, adjusting effortlessly from low light to intense sunlight.

Montebianco 2 is the ideal companion for admiring breathtaking scenery. The lines of this now-iconic Julbo model have been completely redesigned for a more modern look that highlights its dynamic sporting credentials. The sunglasses have new Grip Tech temples and a non-slip bridge for comfort, making them a benchmark model for the mountains. You can also rely on their protective design and removable side shields to safely explore new horizons at altitude. Plus you can remove the side shields for a more casual look if required.

REACTIV Photochromic Lenses: Old Name: REACTIV Performance 2-4 (Zebra). Photochromic lenses with high-speed activation and deactivation (cat. 2 to 4 - visible light transmission rate: 7% - 35%), they get darker or lighter to match changing light conditions and therefore adapt to any time of day. Internal anti-fog coating and external oil-repellent coating (prevents marking, makes cleaning easier and facilitates water runoff). Ideal for mountain sports, hiking, mountaineering, skiing, mountain biking, trail running and climbing.

Check out the video below for more information.


  • Nose Grip: Flexible, shock-absorbing grip insert on the bridge.
  • Curved temples: Ergonomic profile for good grip on the face and head.
  • Grip Tech temples: Exclusive soft material on the temples that doesn't stick to hair, for perfect grip and comfort.
  • Superior robustness and durability
  • Removable side shields: Side protection from sunlight.
  • Total Cover: Maximum protection from sunlight in extreme conditions.
  • Photochromic lifetime guarantee
  • Silicon Cord: This model comes with a silicone cord (H447011, size L) so you can securely carry the glasses around your neck when not wearing them. 
  • Case: comes with a protective case for secure storage.


  • Lens: REACTIV Cat. 2-4 - VLT 7% to 35%
  • Lens Height (mm) : 43
  • Bridge Distance (mm) : 15
  • Temple Length (mm) : 125
  • Base : 8
  • Lens Size (mm) : 56
  • Age : Adult
  • Hinges : Non
  • Weight : 28 g

    Quick Shipping Information

     Location  Able to ship?
     UK  YES
     EUROPE  YES (Some restrictions)

    Personal Shopping - By Appointment

    Would you like to try on some climbing shoes, running shoes or mountain boots for size before you make your purchase? If so, then why not book an appointment with us today! We can offer you a bespoke one-on-one shopping experience with one of our experienced staff members.

    Customer Reviews

    Based on 1 review
    JAMES B.
    Great lenses but frame quite lose

    The lenses are very good but I found the nose bridge too wide and the arms did not feel secure so I returned them. Refund was processed without any problems. May fit people with large heads.