Description

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In any 'hood the Borough looks good.

  • 6-base lens curve fits mid-sized heads best.
  • Double metal hinges add durability.
  • Gray/Green lens has 12.33% visible light transmission.

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.

Propionate plastic
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.

54mm
Nose bridge width

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

16mm
Temple length

The length of an arm from tip to tip.

145mm
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