ESAB Welding Helmets ESAB helmets are known for their durability and comfort, incorporating advanced technology for eye protection and enhanced visibility. Optical Clarity: Many ESAB auto-darkening helmets offer a high optical class rating of 1/1/1/2, providing a clear and precise view of the weld puddle. True Color Technology: Advanced models like the ESAB Sentinel A50 and Savage A40 use real or true color lens technology, which offers a brighter view and enhanced color definition, reducing eye fatigue.