The article briefly presents the typology of bonnets to then deal in greater detail with a Carinthian bonnet from the SEM’s collection of headwear. The bonnet was restored and conserved as part of a degree dissertation at the Academy of Fine Arts and Design in Ljubljana. The article describes the condition of the object before the restoration intervention, the basic dilemmas and decisions concerning the restoration, and the course of the restoration procedure. It concludes with recommendations for preservation.