Soft and invisible. opt for the InvisiFit pack of 2 medium-cover natural footies from Dim! We love: The comfort and softness of the seamless construction. The total invisibility inside your ballet flats. The material made of 63% cotton. which ensures good breathability. A must-have for any wardrobe. grab yourself this pack of 2 InvisiFit medium-cover natural footies from Dim! Invisible inside your low-cut ballet pumps. we love this pack of natural-coloured footies. easy to wear with all your favourite outfits. Ultra comfortable. thanks to their seamless construction and material composed of 63% cotton. these footies are also super breathable and keep your feet dry all day long.