Summit Photochromic Sunglasses Black/Grey

Summit Photochromic Sunglasses Black/Brown

<p>Contemporary Euro-style eyewear with the full-coverage, protective design of glacier glasses. Ideal for changing light conditions.</p><ul><li>Visible light transmission rates range from 21.4% down to 7.6% (when activated)</li><li>Blue light transmission ranges from 7.9% down to 3.7% (when activated)</li><li>Great for glaciers, but too dark for driving or everyday wear</li></ul>

MEC Summit Photochromic Sunglasses - Unisex

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.

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.

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

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

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

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

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MEC Summit Photochromic Sunglasses - Unisex

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