Slim insole includes a 0.05 in (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 The ECCO Comfort Slim Insole for Men is the ideal choice for ensuring a comfortable step and preventing the foot from slipping forward inside the shoe. Made with soft foam and moisture-wicking, vegetable-tanned leather, this slim and lightweight insole can be used on top of an existing textile insole. A perforated forefoot enhances breathability, making it suitable for summer wearing. Made in Indonesia Low profile designed to fit on top of the original insole