The 3M™ Speedglas™ brand is a popular choice for professional welders around the world and is designed for welders who require optimum comfort, trusted protection and ultimate performance. Since developing the first auto-darkening shield more than 35 years ago, Speedglas has remained at the forefront of helmet technology. A constant focus on meeting the needs of the welder have allowed Speedglas to create a series of welding shields to suit a wide range of working environments and welding applications.