Ocearch® Half Moon
This item was in high demand.


Each purchase will help fund an OCEARCH expedition.
Ocearch® Half Moon
This item was in high demand.


Each purchase will help fund an OCEARCH expedition.
The OCEARCH® HALF MOON Story
You'll look like a Maverick in Costa's OCEARCH® Half Moon sunglasses, a West Coast inspired beach style that rides the mystique of epic ocean swells. Available in Tiger Shark as tributes to the Icy water, huge swells and some of the largest sharks in the world that frequent Half Moon Bay. With straight temples, double-cut textures, and integrated Spring Hinges combine outstanding function and comfort with beautiful aesthetics. The sporty beach style of Half Moon embolden the thick, ominous waves of the legendary Mavericks surf break.
Costa® believes in products with a purpose, and is proud to help support OCEARCH® in its mission to protect the sharks that keep our ocean ecosystems balanced. The OCEARCH® Collection helps fund research expeditions that generate critical data and put science on the side of sharks.
Explore the Cause
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See what adventures others are taking their Costa sunglasses on. Share your own with #SeeWhatsOutThere.
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Frame Fit

Frame Size

Frame Measurement


-
1. Frame Width
- 131mm
-
2. Bridge Width
- 14mm
-
3. Lens Width
- 60.0mm
-
4. Lens Height
- 41.3mm
-
5. Temple Arm Length
- 125mm

Light conditions are constantly changing. To get the most out of Costa lenses, it's important to choose the right color. We offer seven lens colors that range from low-light like dawn to extremely bright light with blinding glare.
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Blue Mirror Open reflective water
-
Green Mirror High Contrast
-
Gray
Silver Mirror Everyday activities -
Copper Silver Mirror Natural Contrast
-
Gray Everyday activities
-
Copper Variable light, Driving
-
Sunrise Silver Mirror Activities during low light





- C-Wall®Molecular Bond
- Glass Layer
- Encapuslated Mirror
- Polarized Film
- Glass Layer
- C-Wall®Molecular Bond

580G
Lightwave Glass
Superior clarity & scratch-resistant
- + Glass provides the best clarity in material
- + Encapsulated mirrors (between layers of glass) are scratch-proof
- + 20% thinner and 22% lighter than average polarized glass
U.S. PATENT NO. 6.334.680
U.S. PATENT NO. 6.604.824