The oversized Bison Sunglasses combine style and performance with a large-scale frame that suits those with heads (and big brains).
- Frames are thermoplastic for durability, flexibility, and lightness.
- Anti-slip nose pads keep the glasses in place and stick even better as your face gets wetter.
- Green Gold Flash lens provides 16% visible light transmission.
- Brown Gold Flash lens provides 14% visible light transmission.
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.
Nose bridge width
The gap between the lenses, measured at the smallest point.
The length of an arm from tip to tip.
Measures the height of the lens within the frame, excluding the lens curve.
|100% UVB protected||Yes|
|100% UVA protected||Yes|
Interchangeable lenses let you change lenses to suit differing light conditions or activities.