Clothing

Outdoor Gear

Best Sellers

Gear Question

Costa Del Mar Turbine Polarized Sunglasses - Costa 580 Glass Lens

Item #CDM0082 | 0 in Stock

How can the lenses be "Glass CR39?" Glass is, well...

By Ranked #485 - Polarized Lifestyle Sunglasses March 18, 2010

How can the lenses be "Glass CR39?" Glass is, well glass--a silicon dioxide based, amorphous ceramic. And CR39 is a polymer (plastic), similar to polycarbonate. If it's glass nanoparticle-filled CR39, then it should be called a plastic composite or plastic matrix composite.

Helpful Votes: 0 Yes

By Ranked #1120 - Sunglasses March 18, 2010

You are correct, they aren't both. That's an either or. If you look at the options one cost $70 more than the others. Blue Mirror is glass. for more information: http://www.costadelmar.com/SeeOutThere/Technology/WhatMakesThemCostas/

Helpful Votes: 0 Yes

Tech Specs:

Frame:
Nylon 
Hinge Type:
Integral 
Lens:
Glass CR-39® 
Interchangeable Lens:
No 
Polarized:
Yes 
Face Size:
Medium to Large 
Nose Pads:
Yes 
Arm Pads:
No 
Recommended Use:
Boating, casual, water, fishing, beach 
Manufacturer Warranty:
Lifetime 
Country of Origin:
China 

More from the Gear Guru on the Costa Del Mar Turbine Polarized Sunglasses - Costa 580 Glass Lens

See More

Close This Window

Change me.