Better control: Viewing your weld puddle with the new 3M™ Speedglas™ Natural Colour Technology can help give you better control over your welds. Exhale: Thanks to the exhaust vents built into the helmet, the build-up of carbon dioxide is reduced compared to traditional helmet designs. The slim helmet’s design increase freedom of movement. Plus, the exhaust vents allow for a close-to-the-face fit.