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.
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
Ski, climb, hike, camp, and summit with expert-curated, guide-tested outdoor gear from top brands. Shop online or visit us in Seattle for friendly advice!
Not valid on sale items, Garmin products, Arc'teryx or Totem Cams. Other exclusions may apply.
© 2026, Ascent Outdoors
