The purpose of the article is to determine the typological characteristics of decoration of the delmonas of Lithuania Minor and of the national costume pockets of neighbouring nations. This article discusses Klaipėda region delmonas, the pockets of Estonian, Finnish, Swedish and Norwegian costume, and the attachable pockets of noble class’s attire of various nations preserved in museums. The decorations of the pockets were studied to support or refute the influence of the fashion of nobility and of international relations on folk costume decor formation and change. The research allowed to identify the decorating techniques, pattern variation and matching features of the pockets.