These ingenious sunglasses have a silicone nose and brow pieces for added comfort. They also have a Velcro fastening strap which goes around the head to ensure the glasses stay securely in place.
They have been clinically tested by one of the world's leading authorities on sunglasses, and have passed the most stringent standards on sunglasses in the world. They have category 3 lenses which offer high sun glare reduction, and good UV protection. They're made with durable polycarbonate Ophthalmic quality, and a shatter-resistant polycarbonate frame.