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/>Shoe Width : Medium(B,M)<br/>Item Type : Insoles<br/>Model Number : EVA Half Increased Insoles<br/>Feature : Shock-Absorbant<br/>Feature : Hard-Wearing<br/>Feature : Anti-Slippery<br/>Feature : Breathable<br/>Feature : Height Increasing<br/>Feature : Light Weight<br/>Item Type : Insoles<br/>Type1 : Increased Heel Pad<br/>Type2 : Heel Insert Shoes Pad<br/>Type3 : Invisible Height Increase Insoles<br/>Type4 : Breathable Increased Pads<br/>Type5 : Lift Taller Insoles<br/>Type6 : Heighten Insoles<br/>Type7 : Height Increase Shoes Pad<br/>Type8 : Half Heighten Insoles<br/>Type9 : Massaging Shoe Pad<br/>Type10 : Height Increase Foot Pad<br/>Type11 : Men Women Shoe Lift Insoles<br/>Type12 : Elevator Shoes Insoles<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.