The rubber contains particles that can eventually penetrate the surface and this will show up as a white powder

effortless and precision fit

And what about Birkenstock sandals

to the grocery store

The padded collar and padded tongue offer premium comfort while the signature rubber waffle outsole ensures durability in a variety of terrains

hummel actus recycle infant maize size:EU 19 The rubber contains particles thatActus Infant are the perfect pair of trainers for babies and children. They're designed to keep kids safe, active and comfortable by an elastic strap that prevents slipping and a lining that absorbs moisture. Available in 3 colors, Actus Infant are a must have item for parents who want their child to be active and have fun.