Pure style. Seamlessly combining an unmatched optical clarity and a distinctive design, each piece of KOO sunglasses is a masterpiece of craftsmanship and beauty. Focus on your passions, experience a different world through a Zeiss® lens. Dual-lens singlasses optimised for trail and road with interchangeable lenses manufactured by Zeiss. Orion features an open frame, length-adjustable arms and active anti-fog ventilation.