Ulla Slipper, AsphaltAnkle high Ulla is a favorite around the holidays, because everyone wants to sit by a fireplace with their feet submerged in a cloud of wool. The sole is soft suede, the rest is shearling. Made in Sweden. Care Sheepskin and wool require minimal care. Because of how breathable and permeable these natural materials are, cleaning them is a breeze (literally). Shepherd recommends hanging your slippers outside when its humid to let water vapor pass through