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Man wearing sunglasses with a snowy mountain background

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Brown sunglasses with a white background

Man wearing sunglasses and a cap with cacti in the background

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Sunglasses with dark lenses and brown frame on a white background

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Black sunglasses with dark lenses on a white background

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Sunglasses with dark lenses on a white background

25% off

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Treeline

Polarized

Navy Silver | ~~$98~~$74

Our flagship Alpine icon: a unisex, medium style kitted out with sun shields for the bright backcountry.

Polarized
Lenses

Easy Returns
& Exchanges

Lifetime
Warranty

Style Story

people trying on treeline, iconic style, confident fit, and fair price

Our flagship Alpine icon: a unisex, medium-large style kitted out with sun shields for the bright backcountry.

Polarized Helio Lenses

Polarized polycarbonate lenses deliver premium optics and durability for high-performance adventures.

SuperLight Recycled Frames

Made from SuperLight, our proprietary recycled resin rescued from a US landfill. Lightweight, flexible, and planet-friendly.

Comfortable, Confident Fit

Lightweight, flexible frames with sculpted contact points for stable, pressure-free wear.

Lifetime Warranty

All Sunski frames are covered by our lifetime warranty. Best story on how they broke gets extra brownie.

Treeline is our Reddot award-winning, medium–large Alpine frame built for maximum coverage and serious sun protection. This unisex style blends bold performance with everyday wearability — a go-to for spring skiing, mountain pursuits and long days on the water.

Removable, magnetic sunshields, a trademark of all Sunski Alpine shades, block harsh side glare. Perforations reduce fogging and maintain clear peripheral vision. Extra-dark lenses paired with the sunshields make it ideal for prolonged exposure in bright alpine and on-water environments.

Size: LARGE
Coverage: Max
Wrap & Angle: Medium

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

Treeline features Helio polarized polycarbonate lenses that block 100% UVA/UVB/UV400 wavelengths and pass the FDA basic impact test. Choose from a wide range of VLT (Visual Light Transmission).

Curve: Base 6
Category: 3* (unless otherwise stated)

Slate: Non-mirrored, Grey tint, 9% VLT
Amber: Non-Mirrored, Amber tint, 12% VLT
Forest: Non-Mirrored, Green tint, 11% VLT
Silver: Mirrored, Grey tint, 11% VLT
Bronze: Mirrored, Amber tint, 10.9 % VLT
Bronze CAT 4: Mirrored, Amber tint, 5.4% VLT

We proudly stand behind every pair of sunglasses we make. All Sunski frames are covered by our lifetime warranty. Best story on how they broke gets extra brownie points.