Adjustable elastic fitment strap to fit into any size. Product meets and exceeds ANSI/ISEA Z87.1 impact requirements. Foam dust seal helps close out tiny gaps for complete protection. Purchase comes with three interchangeable lenses: clear, smoke and yellow. Foldable and light weight by design. Lens are made out of anti-fog and polycarbonate quality for durability. Anti-glare coating to prevent irregular vision. Includes a soft carrying bag to safely store away item(s). In the Box 1X Goggles 3X Interchangeable Lenses 1X Soft Carrying Bag Specifications: California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov