TR90 nylon frames with TPE silicone rubber nose and temple tips for a comfortable, secure fit.
A slightly smaller 'Asian Fit' size hardtop style frame especially good for women, juniors or anyone with a narrow noses.
Sail Magazine calls them 'Stress Free Shades' http://www.sailmagazine.com/gear-apparel-accessories/stress-free-shades
Exceptionally clear, dark gray polarized polycarbonate lenses eliminate glare off the water, sharpen details and let you see the puffs better. Distortion free, scratch resistant dark gray lenses absorb 99.9% of all reflected glare plus 100% of all UV A, B & C rays. Mil Spec 105 impact resistent.
Includes crush proof zipper case with cleaning cloth storage bag.