Rudy Project offers to the outdoor enthusiasts sunglasses designed to face every weather condition ensuring: - Perfect face fit thanks to the ergonomic design and Total Comfort System, which provides adjustable terminals and nosepiece. - Superior ventilation with vents placed on frame, temples and lenses - Optimum vision in any environment thanks to the interchangeable lenses system, Quick Change™ and photochromic glasses and specific Hi Altitude lenses.