6103.43.10.10 - Trousers and breeches (447)

This HTS classification specifically covers men's or boys' trousers and breeches that are knitted or crocheted, and are predominantly made from synthetic fibers. To fall within this category, the garments must contain 23 percent or more by weight of wool or fine animal hair in addition to the synthetic fibers. This detailed composition requirement is crucial for accurate classification, ensuring that garments are correctly identified based on their primary fiber content and specific construction.

Distinguishing this category from its sibling, 6103.43.10.20, is important. While both fall under knitted or crocheted trousers, breeches, and shorts of synthetic fibers, this specific code applies only to trousers and breeches, excluding shorts. The distinction lies solely in the garment's design and intended purpose; trousers and breeches are full-length leg coverings, whereas shorts are cut significantly shorter.

As a leaf node, this HTS category does not have further subdivisions. Therefore, the classification hinges entirely on meeting the specified criteria: being a knitted or crocheted article of apparel for men or boys, falling within the trousers/breeches/shorts group, being of synthetic fibers, and crucially, containing 23 percent or more by weight of wool or fine animal hair. Understanding this precise material composition is key to correct importation and duty assessment.