This is a pair of unisex memory plastic full-rim eyeglasses made from unbreakable TR90.They might be the most comfortable glasses you will ever wear. The frame features in extremely light weight, super-shape-retaining durability and high heat-resistance, bringing you an amazingly unpredicted comfort for all day long wear and easily fitting Large heads well. The unbreakable frame will protect you from any attack during sports and leisure time but just weight up to 50% lighter than acetate frame. This pair of frame is crafted into a neat shape with sophisticated yet stylish design, revealing a good sense of maturity and elegance. They are also perfect for fashion conscious wearers and will make a chic match with your outfit in most occasions. The total weight with lenses is merely16g.