Gel Activ Flat Shoes Insoles: Comfort for Everyday Wear Gel Activ Flat Shoes are designed to fit seamlessly in everyday shoes without a heel, such as ballerina shoes. The sole is slip-resistant, ensuring it stays put in the shoe. Scholl's line of Gel Activ insoles for women's shoes effectively absorbs shocks and increases comfort by relieving pressure on the foot when it is under the most stress. Gel Activ technology provides cushioning and extra support to the heel and foot pads. Usage Instructions: For first use, remove the plastic backing. Check the markings indicating which sole is for the left shoe (L) and right shoe (R). Place the leading edge of the sole under the foot pad. Key Features: Fits shoes with sizes 35-40.5. Sold in pairs. Can be cut for a better fit. Experience enhanced comfort and support with Gel Activ Flat Shoes Insoles!