The U shape heel cup helps stabilize and support the foot and position the heel to naturally absorb impact during high impact activities and long distances.<br/>Specifications:<br/>Insole Height : 3cm-5cm<br/>Item Type : Insoles<br/>Model Number : insoles<br/>Gender : MEN<br/>Material : EVA<br/>Pattern Type : Solid<br/>Feature : Height Increasing<br/><br/>Package:<br/>1 pair=2pieces Height Increase Gel Heel Socks Insoles<br/>The insole is super lightweight and soft, perfect for improving performance and reducing pain during physical activity. Good cushioning effect can reduce impact on the joints and muscles.