Julbo Bivouak Sunglasses - Unisex

5030-483
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Description

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Sporty-looking glasses for extremely bright conditions, like glaciers and the high altitude snow fields. Because they block 95% of visible light, they are way too dark for everyday activities. Don't even think about using them for driving.

  • Frames are Twin Flex.
  • Lenses provide just 5% visible light transmission, excellent for reducing glare from ice and snow.
  • Magnetic side-shields keep you protected from all angles and are removable when not required.
  • Rubber grips on the temples and nose-bridge keep them in position.
  • Flexible temples hug your head.

Tech specs

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Frame material

TR90 thermoplastic offers good resistance to chemicals and torsion. Propionate is a light, nylon-based, hypoallergenic plastic that's very strong and offers more transparency and gloss than other plastics.

Nylon
Lens material Polycarbonate
Lens performance

Fixed tints provide a constant degree of darkness. Photochromic lenses adjust to changing light levels. Polarized lenses absorb horizontal reflected glare to improve clarity around surfaces like snow or water.

Fixed tint
Lens width

Refers to the horizontal width in millimeters of one of the frame's lenses.

66mm
Nose bridge width

The gap between the lenses, measured at the smallest point.

19mm
Temple length

The length of an arm from tip to tip.

115mm
Lens height

Measures the height of the lens within the frame, excluding the lens curve.

38mm
100% UVB protected Yes
100% UVA protected Yes
Interchangeable lenses

Interchangeable lenses let you change lenses to suit differing light conditions or activities.

Yes
Made in Romania