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Costa Del Mar Costa Fathom 400G Polarized Sunglasses

The Costa® Fathom 400 Sunglasses deliver unbeatable function, fashion, and value, all in one package! Fathom Sunglasses feature Costa's innovative Hydrolite® construction with cold-molded frames for the perfect fit; three vents on each side for cool comfort; co-injected temples. In addition to the perfectly fitting, stylish frames, every pair of Costa's Fathom 400 Sunglasses is 100% polarized, 100% UV protected and offers heightened clarity, contrast and definition. LightWAVE glass lenses are 20% thinner and 22% lighter than typical glass lenses but they still exceed federal standards for impact-resistance. Lenses made of LightWAVE® glass Co-injected temples 100% polarized 100% UV protection   About your Costa lenses: Blue Mirror for bright sun, offshore fishing, and most water sports. Green Mirror for variable sun conditions, inshore and offshore fishing.
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Questions & Answers for Costa Del Mar Costa Fathom 400G Polarized Sunglasses


I have small face, will this work for me and are the ladies?

asked 4 years, 11 months ago
on Costa Fathom 400G Polarized Sunglasses
2 answers
answer 1
answered 4 years, 6 months ago
 - North Carolina
answer 2
i would go with a smaller pair. i know several people with them and they are all large men.
Top 250 Contributor
Top 250 Contributor
answered 4 years, 10 months ago
 - Alabama

I have a major problem with fogging.. will these glasses minimize fogging?

asked 7 years, 2 months ago
 - Big State of Delaware
on Costa Fathom 400G Polarized Sunglasses
1 answer
answer 1
It really depends on how they fit on your face. The vents on the sides are made to help, but all in all it is determined by the fit.

The brine and the stringer are comparable to the fathoms that I would look into if I were you.
Top 500 Contributor
Top 500 Contributor
answered 6 years, 5 months ago
 - Ft. Myers, Florida
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