Julbo | Intensity | Reactiv 1-3 Light Amplifier | Running sunglasses

Julbo INTENSITY Reactiv 1-3 Light Amplifier – Ultralight. Ultrafocus. Ultraperformance 🕶️⚡

The Julbo INTENSITY is built for athletes who push themselves to the limit – whether you're speeding down a trail or riding head-to-head on a gravel ride. Weighing in at just 19 grams, panoramic view and smart ventilation at the top of the lens, these are the ideal glasses for intensive exercise without compromise.

The REACTIV 1-3 Light Amplifier The lens automatically adjusts to the light (17%–75% VLT) and boosts brightness and contrast in low light. This keeps you sharp on shady trails, foggy mornings, or during golden hour. The minimalist frame with Grip Nose and slim, flexible temples stays securely in place, even with a helmet.

Advantages ✅

🔆 REACTIV 1-3 Light Amplifier lens: Ideal for changing light – enhances brightness &contrast

🪶 Ultralight (19 g): Perfect for high performance use, you'll forget you're wearing it

🌬️ Front Venting: Strategic ventilation prevents fogging during intensive sports

👁️ Panoramic view: Maximum focus and safety at high speed

🧠 Grip Nose &slender legs: Stays securely in place without pressure points – helmet friendly

🎽 Performance fit: Designed for intensive trail running and cycling

Technical specifications:

• Lens: REACTIV 1-3 Light Amplifier
• Light Transmission (VLT): 17% – 75%
• Lens category: Phototropic Cat. 1 <> 3
• Visibility color: Purple-gray
• Flash color: Orange
• Weight: 19 g
• Size: M (Frame width: 136 mm | Temples: 130 mm | Lens width: 136 mm | Bridge: 14 mm)
• Frame color: Shiny Translucent Army Green/Matt Beige
• Suitable for use with helmet: Yes

Perfect for 🏃🚴

• Trail runners who rely on speed and technique
• Cyclists who need clear visibility in changing conditions
• Users who want ultra-light glasses without compromising comfort or performance
• Morning, evening or forest rides where extra light and contrast make the difference

We ship every business day with DHL. They pick up around 2:00 PM. Delivery in the Netherlands is usually the next day.

In the Netherlands, shipping is free for orders over 50 euros. In Belgium, shipping is free for orders over 100 euros.

We have a 365-day returns policy. Please use our returns form: https://trail.nl/retour

Julbo: Trail Running Glasses for Optimal Performance

Julbo is a renowned brand specializing in high-performance sports eyewear, designed to meet the unique demands of trail runners and distance runners. With innovative technologies and lightweight designs, Julbo offers eyewear that enhances performance and provides protection under the most challenging conditions.

Key features of Julbo trail running glasses:

• Photochromic lenses: The Reactiv lenses automatically adapt to changing light conditions, which is ideal for trails with variable lighting, such as shady forests and open mountain passes.
• Lightweight and ergonomic: Julbo glasses are designed for a snug fit that stays secure, even during intense runs.
• Anti-condensation technology: Special coatings prevent the lenses from fogging up, so you always have clear vision, regardless of the weather or your level of exertion.
• Maximum ventilation: Smart ventilation systems ensure air circulation to prevent overheating and condensation.
• Protection against UV radiation: All Julbo lenses offer 100% UV protection, which is essential for prolonged exposure to sunlight.

Why choose Julbo?

Julbo eyewear is specifically designed for the demands of trail running and runners, offering the perfect balance of functionality and style. Whether you're sprinting through a dense forest or tackling a technical mountain trail, Julbo eyewear offers ultimate comfort and protection, allowing you to fully focus on your performance.

Do you have questions about this product or are you unsure about several models? Feel free to contact us or visit our shop.

• The fastest way is the chat button at the bottom right.
• You can also email us at winkel@trail.nl.
• You can also call us at 020 308 6088.