The 10 Seconds 3100 Multi Sport Cushion Insoles are a full-length, flat cushioned insole. They feature an extra deep heel cup that uses the heels natural padding in assisting with additional cushioning. They have an anti-blister, MicroZap antibacterial top cover that helps kill bacteria and prevents odor. With custom made air flow channels built in to the insole, they will help remove heat and pull in cool air. They have orange abzorb cushioning layers that are made from poron to provide extra cushioning while helping with shock absorption with a trim-to-fit design.