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

Julbo FREQUENCY Reactiv 1-3 Light Amplifier – See like never before 🕶️🏞️

The Julbo FREQUENCY of REACTIV 1-3 Light Amplifier The lens is designed for speed, precision, and comfort—whether you're on the bike or attacking technical trails. The panoramic field of view and lightweight, ventilated frame keep you focused, even when the environment changes rapidly.

The Light Amplifier lens automatically adapts to changing light conditions (category 1 to 3) with a light transmission of 17% to 75%Ideal for morning runs, wooded trails, or cloudy days, where extra brightness and contrast are essential for speed and safety.

Advantages ✅

🔆 REACTIV 1-3 Light Amplifier lens: Photochromic lens with brightness enhancing effect

🌫️ Improved low-light visibility: Perfect for forest, shade and cloudy weather

👁️ Panoramic lens design: Wide field of view for maximum focus and safety

🌬️ Front ventilation: Prevents condensation during intensive use

🧠 Grip Nose &Grip Tech Temples: Comfortable fit that stays in place – even with a helmet

🪶 Ultralight frame (23 g): Nothing can stop you, even over long distances

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: 23 g
• Size: M (Width 140 mm)
• Temple length: 123 mm | Bridge: 13 mm | Lens width: 130 mm
• Frame color: Matt Black/Gray
• Suitable for optical correction: Yes (RX Lab)

Perfect for 🌄🚴

• Trail runners who often run in varying light or densely wooded terrain
• Cyclists who want extra clarity on dark or foggy days
• Morning or evening runs where visibility is essential
• Anyone looking for glasses that are light, stylish and performance-oriented

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.