6103.43.15.35 - Imported as parts of play suits (237)

This HTS subheading, 6103.43.15.35, specifically classifies trousers and breeches for boys that are knitted or crocheted and made of synthetic fibers. These are distinct from other categories by their inclusion as "parts of play suits," indicating a specific functional or intended use within a larger garment set, as denoted by the (237) descriptor. The classification hinges on the item being a distinct trouser or breeches component designed to be worn as part of a coordinated play suit ensemble.

Unlike the sibling category 6103.43.15.40, which covers "Other" trousers and breeches of synthetic fibers for boys not designated as parts of play suits, this subheading captures a more specific application. The distinction lies in the explicit enumeration of their role as components within a play suit, which may imply particular design features or construction related to this intended use.

As this is a leaf node in the HTS classification structure, there are no further subcategories under 6103.43.15.35. Therefore, the classification is definitive for boys' knitted or crocheted trousers and breeches made of synthetic fibers when imported specifically as parts of play suits. Importers should ensure that the accompanying documentation clearly supports this intended use to maintain accurate classification.