From UGG®, the Cozy Knit Slippers feature:Soft knit upper Sheepskin collar17mm sheepskin lining17mm sheepskin insoleTreadlite by UGG™ outsole for comfortPolyester binding Woven label with UGG® logo on insoleSuede label with embossed UGG® logoImported.This product contains artificially dyed and treated real sheep or lamb fur from Australia, UK, Ireland or US or Spain