6205.30.15 - Containing 36 percent or more by weight of wool or fine animal hair

This HTS category encompasses men's or boys' shirts, specifically those manufactured from man-made fibers, which are further categorized under "other" within the broader classification of men's or boys' shirts of man-made fibers. The defining characteristic for this particular sub-heading is that the garment must contain 36 percent or more by weight of wool or fine animal hair. This crucial material composition dictates its placement, distinguishing it from shirts composed primarily of other man-made fibers or natural fibers.

The sibling category, 6205.30.20, is designated as "Other" and would therefore cover shirts of man-made fibers not meeting the specific wool or fine animal hair content threshold outlined here. By requiring a substantial proportion of wool or fine animal hair, this sub-heading ensures accurate tariff application for garments with distinct material properties and potential end-use considerations.

Within this category, further subdivisions exist to differentiate based on the intended wearer. The subcategories 6205.30.15.10 and 6205.30.15.20 separately classify these wool-rich shirts as either "Men's" or "Boys'," allowing for more granular tariff application and statistical tracking of these specific apparel items.