Advanced Products for Sweat & Odor Control. Kleinert’s produces the largest selection of underarm pads in the world! We are located in the small town of Elba, Alabama. We produce underarm pads made from 100% cotton and underarm pads made with a waterproof middle layer of vinyl or Duralite to stop sweat from going through to the outer clothing. No other company produces the full line of disposable and reusable underarm pads like Kleinert’s does.