Ryders Eyewear Defcon Photochromic Sunglasses - Unisex

5031-281
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Description

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The tight, low-profile suits endurance sports. The photochromic lenses darken for high noon and brighten up for shady places. Fits small to medium faces well.

  • Frames are TR90 thermoplastic for durability, flexibility, and lightness.
  • Anti-slip nose pads and long grippy temples keep the glasses in place and stick even better as your face gets wetter.
  • Photochromic Grey lens adjusts from 47% visible light transmission to 15%.
  • Photochromic Brown lens adjusts from 47% visible light transmission to 15%.
  • Photochromic Orange lens adjusts from 47% visible light transmission to 15%.
  • Photochromic Yellow lens adjusts from 76% visible light transmission to 27%.

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.

TR90 thermoplastic
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.

Photochromic
Lens width

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

60mm
Nose bridge width

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

14mm
Temple length

The length of an arm from tip to tip.

123mm
Lens height

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

41mm
100% UVB protected Yes
100% UVA protected Yes
Interchangeable lenses

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

No
Made in China