QD Gel Insoles with Technogel®QD Gel Insole by Rehband was developed as a highly durable insole with high shock absorption capabilities to decrease strain on the foot, knee, hips, and back. Pressure relief due to uniform load distribution. This product is made with Technogel, a unique polyurethane based gel with high shock absorption an outstanding durability. This groundbreaking soft and breathable gel provides excellent comfort. Anatomically shaped and lightweight. Self adhesive