Patented Internal Slide up Lens: Unlike traditional flip up helmets, the Helix contains a lens that slides up internally. Crystal Lens Technology: For the first time ever, users will experience a completely clear & undistorted view of the weld pool. Panoramic Field of View: Optrel’s patented nose-cutout technology provides users with 6x the field of view compared to a standard 2 x 4.25 lens with 5-point multi-detection sensor technology Removable Hard Hat: The Helix comes with an integrated hard hat that can be removed. Iso-fit Headgear Shadetronic: The helmet’s sensors detect the intensity of the welding arc and automatically adjusts your shade levels for you. No need to manually adjust shade levels Introducing Optrels latest innovation, the Helix CLT. The Helix was designed to remove all the negatives associated with traditional flips. This was achieved by utilizing Optrels patented technology as well as introducing a new slide-up lens cartridge. Seamlessly switch between welding and grinding by simply rotating the large dial on the side of the helmet. The internal slide up feature allows the lens to stay protected, minimizes the helmets profile and provides users will an unobstructed view of their environment. The Helix CLT contains Optrels Crystal Lens Technology, setting a new standard for clarity and color perception. Not only does the Crystal Lens offer unmatched visibility, it also boasts up to 6x the viewing area compared to standard 2 x 4.25 lens. The Helix also comes with a removable hard hat, providing added safety & versatility. The Helix is a perfect solution for welders that require a lightweight & well balanced flip up Helmet. Hard work has never felt so easy!