6110.30.15 - Containing 23 percent or more by weight of wool or fine animal hair

This HTS subheading, 6110.30.15, specifically classifies knitted or crocheted sweaters, pullovers, sweatshirts, waistcoats (vests), and similar articles that are predominantly composed of man-made fibers. The key determinant for inclusion here is the material composition, where man-made fibers constitute the primary weight. This category encompasses a broad range of upper-body garments designed for warmth or as a layering piece.

Within the broader category of "Of man-made fibers" (6110.30), this particular subheading is further refined by its specific material composition. It is distinguished from other man-made fiber articles under 6110.30 by the explicit mention of "Containing 23 percent or more by weight of wool or fine animal hair" in its parent description, indicating a blend where man-made fibers are the dominant component but with a significant presence of wool or fine animal hair. This differentiates it from purely man-made fiber garments or those with a different fiber blend.

The subcategories under this heading provide further granular classification based on the specific type of garment. These include "Sweaters," which are the most common items, "Vests, other than sweater vests," distinguishing sleeveless garments from those explicitly identified as sweater vests, and "Other," for any remaining similar knitted or crocheted articles made of man-made fibers that do not fit into the more specific garment types. This hierarchical structure allows for precise identification and duty assessment based on the precise nature of the apparel.