- Frame:
- SHINY TRANSLUCENT - Gray / Dark Blue / Black
- Face Size:
- Large
- Advantages:
- Lenses:


Cycling and Trail-running
- FREE STANDARD SHIPPING
- New
Description
The Julbo SLACK is bold, brazen and versatile enough to adapt to every occasion. Lightweight and supercomfortable to wear, with a double-bridge frame design that’s both audacious in style and ruggedly reliable. Available to buy in three different lens options, including high res Spectron HD, a polarized lens that amplifies detail, enhances contrast and color and reduces ocular fatigue for all-day comfort. Also available with Spectron 3 and Spectron 3 Polarized. Designed to fit wider faces.
- Temples
- Curved Temples
- Bridge
- Double Bridge
- Frame width
- 138mm
- Bridge width
- 20mm
- Temple length
- 135mm
- Lens width
- 52mm
- Weight
- 22g
- Size
- L
- Product reference
- J5691520

SPECTRON HD Lenses: More Detail, More Precision
SPECTRON HD lenses deliver high-definition vision for sharper detail and enhanced terrain perception. Their dedicated treatment boosts visual clarity while providing 100% UV protection. Lightweight and impact-resistant, they ensure comfort, crisp optics, and reliable performance, so you can make the most of every outing, even in demanding environments.








