Superfeet Active Cushion Medium Arch Insoles are perfectly suited to any activity and are designed for mid-level arch heights, the most common type of foot arch. Lightly structured support from our patented Adaptive Comfort Technology™ flexes and adapts to the foot's natural motion, giving you unbelievable comfort while walking, running, or playing your favourite sport. Superfeet Active Cushion Medium Arch Insoles Features: Low to medium arch orthotic support helps stabilize the foot while running Thin profile made to fit well in running shoes and athletic footwear, including zero-drop running shoes Patented design helps your feet move the way they're supposed to, flexing with the foot for efficient heel-to-toe turnover Superfeet insoles keep their shape, delivering reliable support and comfort for up to 12 months or 500 miles Helps reduce odors and keeps feet fresh Helps disperse impact with every heel strike, reducing excess vibration to fight fatigue Blends cushioning and rebound to maximize energy transfer and help you get the most out of every step Helps your foot relax in the shoe and provides optimal cushioning