6204.63.70 - Containing 36 percent or more by weight of wool or fine animal hair

This HTS category, specifically 6204.63.70, covers women's or girls' trousers, bib and brace overalls, breeches, and shorts that are not knitted or crocheted, and are primarily constructed of synthetic fibers. The defining characteristic for inclusion in this specific subheading is that these garments contain 36 percent or more by weight of wool or fine animal hair. This material composition is crucial for distinguishing these articles from those made entirely or predominantly of synthetic fibers.

While the parent categories address various types of women's and girls' garments, and the immediate preceding level narrows the focus to synthetic fiber trousers and similar items, this subheading differentiates based on the presence of wool or fine animal hair in significant quantities. Goods classified under this subheading will share the general characteristics of trousers, bib and brace overalls, breeches, and shorts but will have a blended fiber content that includes a substantial proportion of wool or fine animal hair, alongside synthetic fibers.

The subcategories under 6204.63.70 further refine the classification based on the intended wearer. HTS codes 6204.63.70.10 and 6204.63.70.20 distinguish between garments designed for women and those designed for girls, respectively. This distinction is typically based on size and styling conventions specific to each demographic.