The Mdavid Run Fitness Insole is designed for maximum support to help prevent and relieve foot pain from high-impact athletic activities. These insoles are easily used in all types of athletic and casual footwear with a simple quick trim. Experience a more comfortable fit with better support thanks to Adaptive Arch Technology which adapts to any foot shape for a perfect consistent fit when you re on the move. The biochemical contoured design comfortably cradles your foot and full length high rebound foam withstands harder and longer impact. Get advanced support from the Heel ShockPad which absorbs jarring fore-foot shocks that could transfer to your knees hips and lower back. Also features a butterfly control bar that stabilizes and aligns feet. Comes in pair.