ABS Material - Slid Goggle ( you can slid up to hide or slid down as goggle ，you can also take the glass out if you don't need )- Adjustable Chin Strap - Bulid-in Shroud Mount ( plastic material )- Bulid-in ARC side rail for laser / light and other attachments- Velcro Top - Airsoft Use ONLY. Does NOT provide Ballistic Protection- Free Size Fits almost people