ERGONOMIC & SCIENTIFIC DESIGN: The unique insole also provides stronger arch support, longer life, and greater all-day comfort. Avoid cheaper alternatives that don't last, provide no support or comfort, and can cause more foot pain.Dual-Layer Cushioning: Made with medical-grade double-layer EVA foam and polyurethane cushioning, targeted and controlled cushioning with a soft feel that helps relieve foot pain and provides maximum cushioning for the running and jumping and other sports activities.High Quality Fabric: The plantar fasciitis insoles are made of breathable fabric, which ensures that your feet stay cool, dry and comfortable by sucking up all the sweat produced by your feet during strenuous activity, while ensuring better health for your feet.Arch Support Insoles: They can help relieve stress and pain caused by flat feet, high arch feet, bunions, arthritis and diabetes. In addition, it relieves plantar fasciitis, Achilles tendinitis and pain in the soles of the feet for flat feet and arches.Please Note: Do not put insoles and your current insoles in the shoes as they are too thick and wide and the arch support inserts usually take three days to get used to.