Insoles especially for people who experience discomfort from foot and leg fatigueand want pillow-soft cushioning. They provide energizing support with advanced technology plus custom cushioning memory foam - Helps reduce muscle fatigue in feet and legs so you can stay on your feet longer - Provides all-day comfort that keeps you feeling energized - Memory foam conforms to your foot for greater softness and comfort. STEP 1 Your shoes’ current insoles are probably removable – TAKE THEM OUT FIRST. STEP 2 Place insole into shoes to test for size. STEP 3 If needed, trim along the outline (on top of the insole near the toes) that matches your shoe size. STEP 4 Insert insole into shoe GEL SIDE DOWN. Replace insoles every six (6) months or at the first signs of wear.