F45 dark blue leggings are high-performance athletic leggings designed for comfort, flexibility, and durability. They are typically made from moisture-wicking, breathable fabric to support intense workouts, like those in F45 training sessions. These leggings often feature a high-waisted fit for extra support and a sleek, stylish design. “gym leggings,” “athleisure,” “compression leggings,” and “F45 workout gear” for better search visibility.