Which is better for driving?

The Cocoons, because it states a gray 13% VLT polarized lens that cuts glare without distorting color. The Series #52 is polarized too, but its tint darkness is not published.

Is the Cocoons worth about $52 more?

Only if you want the documented lens spec, the oleophobic coating and the brand warranty. If you just need polarized UV400 clip-ons for occasional use, the $7.99 Series #52 covers that.

Which fits more eyeglass frames?

The Series #52, thanks to its expandable spring bridge and four soft silicone pivot points. The Cocoons is a fixed mid-sized fitover, so check your frame width first.

The Cocoons has the stronger case on paper: ballistic nylon frame and a manufacturer's limited lifetime warranty. The Series #52 also carries a lifetime warranty but uses a lighter frameless build.

Do both block UVA and UVB?

Yes. Both are rated UV400; the Series #52 states 99.9% UV-A and UV-B protection, and the Cocoons states UV400 coverage of UVA and UVB.

Which is better for fishing?

The Cocoons, since it is built for use on or near the water and filters 80% of blue light. The Series #52 is polarized but lists no water-specific or blue light spec.

Cocoons Slim Line Polarized Clip-On Sunglasses vs Adjustable Clip On Sunglasses Series #52 - Square

Buy the Cocoons C4014M if you want a known brand, a documented gray lens spec (13% VLT, 80% blue light filtering) and a limited lifetime warranty. Buy the Adjustable Clip On Series #52 if price is the deciding factor: it is $7.99 at eBay as of November 5, 2026, against $59.99 at eBay for the Cocoons, and it has a 4.6 out of 5 rating from 43 ratings. The Cocoons costs about $52 more, so the gap is real money for a clip-on.

Today the Adjustable Clip On Sunglasses Series #52 - Square costs $52.00 less at its best price.

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