REACTIV Photochromic Technology: No Matter the Weather

REACTIV Photochromic lens adjust to changing light conditions to provide clear vision for every situation. With the widest photochromic range and fastest reaction time, REACTIV leads the industry in performance photochromic eyewear. With more than 130 years of development and experimentation in the most demanding sports, our REACTIV lenses offer the best photochromic optics on the ma rket.

Manufactured using casting technology, REACTIV photochromic technology is "baked" into the lens so it never wears off, which is why all our lenses are backed with a lifetime warranty. They offer outstanding performance in all technical criteria: reactivity speed, photochromic range, lens color, efficiency of the polarizing filter and special coatings to meet specific needs. Julbo has 5 unique REACTIV lenses in the market that are also available in Rx prescription sunglasses.


  • Photochromic lenses will automatically lighten or darken depending on UV light. 
  • Crystal clear visibility no matter the light conditions
  • There is no need to change lenses or carry extras making it far more convenient
  • Photochromic lenses are safer because you will be able to see in all conditions

Benefits of REACTIV Lenses

  • Widest Photochromic Range on the Market
  • Fastest Reacting Photochromic lenses available
  • Non-Temperature sensitve which is usually an issue with some photochromic brands
  • REACTIV technology "baked" into the lens so it never wears off 
  • 100% UV A,B, and C protection 
  • Made from Trivex: A hybrid of mineral glass and polycarbonate making it extremely durable and providing high optical quality 


Lens Guide

Special coating

Anti-fog > prevents condensation and garantees maximum longevity.

Anti-reflective > reduces eyestrain and eliminates interference glare.

Brunishing > improved filtration of visible light

Flash finish > improved filtration of visible light by producing a mirror effect on the lens.

Water-repellent > makes water slide over the lens and prevents hydrogen bonds forming between water molecules. Visibility is improuved

Oil-repellent coating > prevents finger marks, makes water slide over the lens and cleaning easier.


All Julbo lenses belong to optical class 1 and guarantee protection from UV A, B ans C rays.

(1) SHR technology : Hight-Speed activation or desactivation.

(2) NTS technology : the lens gets darker or lighter regardless of the temperature.