CLEANING: use a damp cloth and a normal neutral detergent and dry with a soft clean cloth. Avoid the use of solvents. The soft-touch spring arms frame gives Zeno glasses an unparalleled comfort feel. Designed to seamlessly fit your face, this frame offers a stable and comfortable fit, ensuring the glasses stay in place effortlessly. The frame is lightweight yet durable, perfect for daily wear and long days in the great outdoors.