Dr. Scholl's® Blister Cushions with advanced DURAGEL™ Technology are thin and flexible cushions that conform to your foot to help prevent and protect painful blisters. Plus, they are nearly invisible — so you can use them discreetly. And because they are sweat resistant, your active lifestyle won’t get in the way of taking care of your blister. Advanced DURAGEL™ Technology uses a unique gel cushion that is thin and flexible. The cushion conforms to the contour of your skin and is nearly invisible when you wear it, making it very discreet.