Ynport Outdoor Windproof Glasses Skiing Goggles High Quality and Portable Glasses Suit for any Body Strap Length:40cm (can strech more),Adults and Teenagers can wear Frame (ABS plastic); lenses (UV400 Protection CE) Eyewear Frame with a Ventilation System Promotes Air Circulation and Make People Feel Comfortable The Delicate Design Can Be Used with Night Vision Goggles