Kiwi Sneaker barefoot insoles are breathable, moisture-absorbent comfort Insoles that provide you with the freedom to wear your shoes comfortably and hygienically without socks. Each Pack contains one pair of lightweight, dermatologically tested, washable shoe cushion inserts. Kiwi Sneaker barefoot insoles are available in US men's size 4.5-12.5/ EU men's size 36-46. Kiwi Sneaker barefoot insoles are not like conventional foam shoe inserts. They feature innovative technology, such as: - odor resistant - guards against the growth of bacterial odor, which makes them preferable to leather shoe inserts. - Dual density breathable foam - a dual-density layer of foam ensures that these shoe insoles provide lightweight comfort and cushioning. - breathable and moisture absorbent cloth - the Premium rayon top cloth, Made with 76% bamboo, delivers superior barefoot comfort compared to conventional foam shoe inserts. They are also dermatologically tested, so you can be sure that they are appropriate for direct contact with skin.