The Air Vents goggle is soft, comfortable with wide variety of lenses that are interchangeable between models, it is the best goggle available. All Vents goggles meet or exceed ASTM standard F1776. Air Vents goggle features a thermal lens and an additional single lens. The thermal dual pane lens is ideal when you are using your mask for long periods of time. The thermal system provides anti-fog protection in even the worst conditions. This means that you spend less time with off field maintenance and get more performance during extended play. Use "Vents Thermal" to outlast your toughest opponents. The Air Vents goggle is a new low profile goggle system, designed to present the minimum target possible while being soft and flexible for comfort and to help keep you in the game by glancing/bouncing paintballs. The Air Vents goggle has a semi rigid one piece faceplate which still maintains a flexible area in front of your mouth for protection. Features include: One piece dual molded Mask Dark Smoke Thermal Lens (Standard) Additional 2nd Lens (Clear Single) Micro fiber bag with second lens Brow Shield Visor Dual Density Foam Micro fiber goggle bag