Flats Dude,

What model of Costa Del Mar's do you have? And what lens do you have?

I'm looking for good coverage and as little light from the sides and underneath as possible.

I did try on the Triple Tail, Turbine, T2, and Polaris at a local optician. The Turbine and Polaris fit the best but I can't find the Polaris online. It may be a discontinued model that the optician still had on display.

Thanks.

-John