The article provides a comparative analysis of the types of national patterns in the formation and decoration of modern youth clothing. In the preparation of modern youth clothing, the structure and use of “tórt qulaq,” “qus qanaty,” and “óńirjıek” ornaments among the national ornaments of the Kazakh people were substantiated. According to the analysis results, the study used the methods of artistic decoration of national elements with volumetric acrylic paints, decorating with an artistic painting of ornaments of a collection of modern youth clothing formed. We studied the influence of dyeing textile materials of mixed composition with acrylic paints and the quality indicators of test samples decoratively decorated with acrylic paints on textile materials. When decoratively finishing brushed “poker with fleece” fabric with “Decola” acrylic paint, applying the paint to the test sample created difficulties. As a result, we discovered that the paint did not lie smoothly on the fabric’s surface. Test samples of the “milana” suit fabric and raincoat material using “Pebeo acrylic paint with suede effect” acquired a 3D volume. We studied the color fastness of washing test samples, and high-quality indicators of color fastness with artistic ornamental finishing in 3D volumes were obtained for the material “raincoat” and the suiting fabric “milana.” When studying the performance of test samples in terms of hygroscopic properties, the raincoat material had a higher waterproof rating, and the “milana” suit fabric had a lower waterproof rating. As a result of the hygroscopic properties of materials, in the manufacture of a collection of youth clothing, “milana” suit fabric was used, and the decorative detail of the “back yoke” was made of raincoat material with a high waterproof rating. As a result of the study, the ornaments will be decorated with artistic painting with “Pebeo acrylic paint suede effect” with 3D volume and made of “rain-coat” material and suiting fabric “milana” to create a collection of modern youth clothing. The artistic and decorative design of the clothing collection with 3D volumetric ornaments was formed, and modern clothing models that meet the tastes of youth, fashion trends, and market requirements were developed.