Experience maximum comfort and stability to make it through the workday with the Support Insole. The TPU shell creates the foundation while the Polyurethane heel shock pad provides supportive cushioning. Additionally, Popper foam at the forefoot and a blended cushion combine with a soft foam top lining for a truly supportive and comfortable feel. Its advanced construction also reduces the stress and fatigue on the body for all-day comfort even during extended standing, lifting, and other strenuous activities.