6103.49.40.10 - Trousers, breeches and shorts (747)

This HTS category, 6103.49.40.10, specifically classifies knitted or crocheted trousers, bib and brace overalls, breeches, and shorts that are for men or boys and are made from textile materials other than cotton, synthetic fibers, or artificial fibers, specifically those containing 70 percent or more by weight of silk or silk waste. This classification focuses on the primary fiber content when silk or silk waste is the dominant component.

Within this hierarchical level, 6103.49.40.10 is distinguished from its sibling category, 6103.49.40.20, which covers "Bib and brace overalls." While both are under the broader umbrella of "Trousers, bib and brace overalls, breeches and shorts" made of other textile materials, this node is dedicated to trousers, breeches, and shorts, whereas the sibling focuses exclusively on the bib and brace style of overalls. The key differentiator here is the specific garment type.

As a leaf node, this classification does not have further subcategories. Therefore, the classification is determined by the precise composition of 70 percent or more by weight of silk or silk waste, combined with the garment being knitted or crocheted and intended for men or boys. Practical examples include silk trousers, silk breeches, and silk shorts falling under this specific tariff heading, assuming they meet all the aforementioned criteria.