Founded by Nanny Glerups in the 1970s in Denmark, Glerups are amazingly comfortable slippers made of raw materials, including wool and calfskin.  Over the years Glerups perfected the wool mix by blending Gotland wool with quality wool from New Zealand farmers. These farmers meet Glerups' high standards for consistent quality and humane animal welfare. Glerups aim for the optimum mix of functionality, beauty, and durability.