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The Slack Cover Mint/Light grey sunglasses Spectron 3 are Julbo designed for lovers of the mountains and their high summits.
They Slack Cover feature the same sleek lines and legendary comfort as the Slack, while adding removableside and nose shellsthat offer extra UV protection for high-altitude activities. In addition, their double-bridge design gives them a resolutely modern and assertive look, while the curved arms ensure a perfect fit, even when the effort becomes intense. The removable shells offer increased UV protection and protection against splashes.
Featuring category 3 Spectron lenses made from polycarbonate with an anti-reflective coating, these glasses are ideal for bright sunlight. The lenses are also treated to provide reinforcement of light filtration thanks to a Mirror effect.
Another significant advantage is that technologies RX Lab and RX Ready allow these glasses to be adapted to your vision, for an even more personalised experience.
These Slack Cover are versatile sunglasses with a modular design that will suit all sports enthusiasts and adventurers who enjoy reaching new heights.




Glasses SPECTRON 3 :
- Light: 12 per cent
- UV protection : 100%
- Colour through the lenses: grey
- Base 6
frame :
- Removable side shells
- Removable nose bridge shells
- Double deck design
- Curved branches
Dimensions :
- Frame width: 138 millimetres
- Glass width: 52 millimetres
- Branch length: 135 mm
- Bridge of the nose: 20 millimetres
| SPECTRON 3 | Perfectly suited to outdoor sports and daily use, category 3 Spectron lenses offer complete solar protection with a wide choice of colours and treatments. Unbreakable, they offer comfortable vision and provide good protection for children. |
| RX LAB and RX READY | Fitted to your prescription by an optician, the solutions RX Lab and RX Ready are designed for activities outdoors. These frames are compatible with a very wide range of possible corrections. |
