Dr. Scholl?s? Work Insoles with Massaging Gel? are specially designed for people who work on their feet all day and experience discomfort and fatigue in their feet and legs. These insoles provide relief to tired achy feet & legs to stay energized. All-day superior comfort for hard-working feet! Why it Works: When you work on your feet all day, the muscles in your feet and legs can become fatigued from supporting your body and from the shock of walking on hard surfaces. This can leave you with tired, achy feet and legs and could slow you down. Dr. Scholl?s? Work Insoles with Massaging Gel? provide support and an extra layer of cushioning to absorb shock from working on hard surfaces, which helps reduce muscle fatigue. This helps you feel more energized throughout the day. How to Use: Your shoe?s current insoles may be removeable, if they are take them out FIRST. Place the removeable insoles against the back of your Dr. Scholl?s? insole and trim to match the old insole size. If your shoes? insol