?Tip?You may feel pressure on your feet when you wear them for 3-7 days. We strongly recommend starting with 2-3 hours a day and gradually increg the time per day. If you are not satisfied with our insoles, we will replace or return them. ?Long standing all day?Poron heel cup: excellent shock absorption and pain relief; Black nylon support piece: strong support will support your arch well; U deep heel shell: stabilizes the middle and back of the foot, takes care of balance and shock absorption and wraps your heel when running or jogging. ?Better Fit?Better fit design disperses foot pressure according to the contours of the foot, with control points in the back and middle of the foot to reduce excessive internal rotation and stabilize the midfoot, maximize cushioning, maintain the foot bone vertical and balanced and provide stability. ?MORE SUPPORT?For rigid arch support, reduces excessive stretching of plantar fasciitis, helps relieve flat feet, sagging arch, excessive internal rotation, arch pain and tension, plantar fasciitis, pressure and pain caused by heel pain. Metatarsal support helps relieve pressure on the forefoot and solve problems of sagging the cross arch and forefoot pain. ?Sturdy Support Sole?Reinforced nylon support tabs are very durable for larger weights. Designed for men and women over 200 kg, it offers superb arch support and anti-vibration technology, relieves foot and leg fatigue, reduces lower limb pain, distributes weight and reduces impact with every step.