Dr. Scholl's® Prevent Pain Protective Insoles stops the leading cause of pain in key lower body joints—your foot, knee and lower back before it occurs with the Tri-Protect System™. Its full foot combination of cushioning, support and shock absorption defends against the muscle co-contraction that leads to lower body joint pain. Footwear Type: Insoles; Size Group: Men's Size 8 to 14; Materials: Polyester; Polyurethane Foam; Color(s): Blue.