TR90 nylon frames with TPE silicone rubber nose and temple tips for a comfortable, secure fit.
A slighly smaller 'Asian Fit' hardtop style frame it is especially good those with narrow noses, women & juniors.
Sail Magazine calls them 'Stress Free Shades' http://www.sailmagazine.com/gear-apparel-accessories/stress-free-shades
Exceptionally clear, Cat 3 brown 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.