TOBI-DR. This open-back men's slipper is made of felt with embroidered Christmas motifs. The sole is flat and has a 1 cm thickness, and is made of non-slip rubber and jute braid. It has a removable insole with a 2 cm wedge in the heel area. This model fits the usual size; choose a smaller size if you are between two numbers. It is not advisable to wash the slippers in the washing machine. We recommend that you consult the care guide to know how to keep them.