Create a custom fit for your cycling shoes with these heat moldable insoles. Designed to provide amazing comfort and stability, the Louis Garneau Thermo Cool insoles are made specifically for cycling shoes and can be heated in your own oven. The moldable Red Glass heel cup and arch support stabilize your heel, preventing arch flex and knee torsion. A moldable mid-foot insert optimizes foot support, helping transfer power to your fore foot for better pedaling efficiency. The rigid EVA platform enhances overall stability. Thermo Cool insoles are heavily vented to promote airflow when riding in warm temperatures.