Spenco Total Support Gel InsoleSpenco Total Support Gel Insoles are best for people seeking all day comfort for their feet and for those who stand for long periods of time, including workers, students and travelers. Triple-density thermoplastic (TPR) gel adds cushioning and stability to any shoe. 3-Podô cushioning absorbs impact at heel strike. Stability Cradle offers balanced support. Low-friction top cloth with Silpure Antimicrobial helps eliminate odor causing bacteria and reduces friction. Unconditionally guaranteed for one full year.