Polarised
85% polarisation efficiency.
Reduces sun glare on water
Contrast improvement
Brown lenses enhance contrast on sunny days
Sun protection
Category 3 lens - 100% UV filter
Coverage
Its shape reduces the amount of light entering through the sides
Robustness
Polycarbonate lenses made from high-resistance polycarbonate plastic
Buoyancy
Their encased frames make them float
Lightweight
Very lightweight at 25 grams