Dragon

<p>These glacier glasses don't make you look like a spread from National Geographic in 1972. Swap out the temples with an integrated leash system, or the classic loop behind the ear style.  Dark category 4 lenses will keep your eyes safe at altitude, but are too dark for most day-to-day activities.</p><ul><li>Tough Grilamid (TR90) frame is known for flexibility, durability and lightness, excellent for performance eyewear frames</li><li>Adaptable frame lets you swap out standard temples for ones with an integrated leash, or classic C-temples that loop behind the ear. Leash has a bead for cinching, C-temples keep the glasses anchored to your face</li><li>Includes a custom hard case to house temple options and glasses</li><li>Removable leather side-shields block glare on snowfields and glaciers</li><li>6-base lens curve</li><li>Stainless steel hinge</li><li>Lens treatments help keep lenses clear of oil, water, and other smudge-causing gunk</li><li>Grey lens with Red Ion or Silver Ion has 5% visible light transmission</li><li>Dark Copper lens has 5% visible light transmission</li><li>Dark lenses are great for bright locations, but not ideal for everyday tasks like driving</li></ul>

Dragon MountaineerX 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.

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

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Dragon MountaineerX Sunglasses - Unisex

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