6203.42.17.00 - Containing 15 percent or more by weight of down and waterfowl plumage and of which down comprises 35 percent or more by weight; containing 10 percent or more by weight of down

This HTS classification, 6203.42.17.00, specifically addresses trousers, bib and brace overalls, breeches, and shorts designed for men or boys. The defining characteristic for this category is that these garments must contain 15 percent or more by weight of down and waterfowl plumage, with down constituting at least 35 percent of that plumage. Furthermore, a general requirement is the presence of 10 percent or more by weight of down within the garment. This detailed compositional threshold ensures that garments with significant insulating properties due to down content are accurately categorized.

It is important to distinguish this classification from other "Of cotton" categories within men's and boys' trousers, bib and brace overalls, breeches, and shorts. While other classifications may also be of cotton, they would not meet the specific weight requirements for down and waterfowl plumage outlined here. This code is for cotton trousers that are also heavily insulated with down, rather than solely cotton trousers with minimal or no down content.

As this classification represents a leaf node within the HTS database, there are no further subcategories. Therefore, classification under 6203.42.17.00 hinges entirely on meeting the precise material composition criteria for down and waterfowl plumage, in conjunction with the garment type and the base material of cotton. Importers and exporters must ensure accurate weight calculations for these components to ensure correct tariff application.