By Sunski

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Color: Black Slate

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Inspired by vintage California ski style, the award winning Treeline is Sunski’s contemporary take on classic aviator sunglasses and the iconic glacier goggle. Versatile pop-on, pop-off sun shields protect the eyes from glare, while perforated holes prevent the polarized lenses from fogging and enhance peripheral vision. With a snug-yet-comfy fit, rubber nose pads and featherlight weight of just one ounce, the Treeline is an adventure essential. Psst. The Treeline isn't just great for snow days! Extra dark lenses and sun shields make these a great pick if you spend extended amounts of time on the water.


  • Polarized Lenses
  • Removable Sun Shields
  • SuperLight Recycled Frames
  • All-Day Comfortable Fit
  • Hard Case Included


The Treeline is a medium-large sized frame ideal for high glare conditions.

Wrap & Angle: Maximum

Temple Width: 141 mm
Bridge Width: 22 mm
Lens Width: 50 mm


All Treeline lenses are polarized, block 100% UVA/UVB/UV400 wavelengths and pass the FDA basic impact test.

Eye Coverage: Very Good

Lens specs:
Slate: Non-mirrored, Grey tint, 10% VLT, Base 6 curve
Ocean Fade: Fade, Blue tint, 11% VLT, Base 6 curve
Amber: Non-Mirrored, Amber tint, 15% VLT, Base 6 curve
Forest: Non-Mirrored, Green tint, 11% VLT, Base 6 curve