Slim insole includes a 1.5 mm layer of soft foam, covered with premium, vegetable-tanned leather This insole is part of our COMFORT range, designed to meet your needs all year round Covered with moisture-wicking, vegetable-tanned leather, the ECCO Comfort Slim Insole for Women adds comfort and prevents the foot slipping forward inside the shoe. This lightweight insole is also suitable for use on top of an existing textile insole without taking up too much space. Perforations at the forefoot enhance breathability for warm-weather wear. Made in Indonesia Low profile designed to fit on top of the original insole