The FLUKE model line is one of R2 most successful long-time favorites. A true bestseller, loved for its modern look, wide field of vision, and natural wearing comfort. Designed for multisport use – from high-intensity activity to active days without a set plan. AT100 keeps pace with changing environments and movement. Lens ventilation helps reduce fogging under strain and supports a smooth, uninterrupted view. It is the kind of model you reach for automatically – because you know it works, looks great, and adapts to you.