?Tips The?You may feel pressure on your feet while wearing for 3-7 days. It is strongly recommended to start with 2-3 hours a day and gradually increase the time per day. If you are not satisfied with our insoles, we will replace or return them to you. ?Standing All Day?Poron Heelpad: Excellent shock absorption and pain relief; Black nylon support part: Strength support that supports the arch well; U deep heel cup: stabilizes the middle and back of the foot, takes care of balance and shock absorption, and wraps the heel during running or jogging. ?Better Fit?Best fit design disperses plantar pressure according to foot contours, with rear and midfoot control points to reduce excessive internal rotation and stabilize the midfoot, maximizing cushioning, keeping foot bone upright and balanced and providing stability. ?More Support?Reduces excessive stretching in plantar fasciitis, helps relieve pressure and pain caused by flat feet, arch collapse, excessive internal rotation, arch pain and tension, plantar fasciitis, heel pain. Provides metatarsal support that helps relieve pressure on the forefoot and address problems of transverse arch collapse and forefoot pain. ?Heavy Duty Support Insole?Reinforced nylon support tabs with high support strength for greater weights, designed for men and women weighing over 210 pounds, provides superb arch support and anti-vibration technology, relieves foot and leg fatigue, reduces lower limb pain, distributes weight and reduces impact with every step.