Tortoise Bronze | $89

Fit & Design Guide

  • medium frame size
    Frame Size
  • performance wrap
  • removable sun shields
    Sun Shields
sunski treeline tortoise bronze front angle
limited edition
guy getting hit by a snowball wearing sunski treeline sunglasses
woman holding skis wearing sunski treeline sunglasses
person playing with sunski treeline sunglasses
guy hiking in a hat wearing sunski treeline sunglasses

Mountaineering sunglasses for the modern explorer. A classic aviator shape meets the iconic glacier goggle. Removable magnetic sun shields protect your eyes from side glare, while perforations prevent fogging and enhance peripheral vision.

Best Uses:
  1. mountain Backcountry
    & Downhill Skiing
  2. map Hiking
  3. climber Rock
  4. fish Water
  • Red Dot Design Award Winning
  • Polarized Lenses
  • Removable Magnetic Sun Shields
  • Zipper Case Included
  • SuperLight Recycled Frames
  • All-Day Comfortable Fit
  • Lifetime Warranty

The Treeline is a medium sized frame that fits most head sizes and shapes. Sculpted nosepads and arms are designed to provide just the right amount of grip without causing discomfort ensures a comfortable fit in all elements. Fit check: sun shields should fit close to the face without creating pressure.

Weight: 28.1 grams
Wrap & Angle: Maximum

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

With a wide range of VLT (Visual Light Transmition), including our darkest lenses, 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
Amber: Non-Mirrored, Amber tint, 15% VLT, Base 6 curve
Forest: Non-Mirrored, Green tint, 11% VLT, Base 6 curve
Silver: Mirrored, Grey tint, 11% VLT, Base 6 curve
Bronze: Mirrored, Amber tint, 14 % VLT, Base 6 curve

We make our shades the right way, with no shortcuts and the highest attention to detail. We stand behind all of our products and we want you to feel totally confident with your purchase.

Lifetime Warranty covers all manufacturing defects in materials and workmanship during the lifetime of the product. It does not cover superficial scratches, wear, and tear, those are just reminders of all the good adventures you’ve had and make the best stories.

sunski treeline guy jumping

Protective Side Shields

Pop in, pop out magnetic sun shields keep your eyes safe from sun, snow, wind and dust while tiny perforations maximize comfort and breathability. Kiss your foggy goggles goodbye.


Ultralight Frames

Leave the pressure points and headaches back at the trailhead. Our lightweight frame material is ultra durable and ultra comfortable.

sunski treeline lenses
sunski treeline close up

Polarized Optics

Choose from a range of darker and lighter lenses. Go dark if you're spending time in high glare environments near snow or water. Go lighter if you're dealing with cloudy days or low light such as under trees.


Rubber Nose Pads

Our grippy rubber nose pads are designed to stay put while you sweat while maximizing comfort. Shred on.

sunski treeline sunglasses sketch
Award Winning

Red Dot Design Award

Award winning design makes these shades perfect for any summit you climb or waters you explore.

Most orders will ship in one to two business days. Expected arrival times vary by location: US: 3-5 days via USPS. International: 4-8 days by DHL and FedEx. Got more questions about shipping? Take a look at our FAQ.

If you're not satisfied with your Sunskis for any reason, you can return them to us or exchange them within 30 days in an unused, resellable condition. So buy a few pairs knowing you can return what you don't like! If you've got a pair you want to send back, head over to our returns page to get handled.

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