6107.12.00 - Of man-made fibers

This HTS category, 6107.12.00, specifically covers men's or boys' underpants and briefs that are knitted or crocheted and are primarily composed of man-made fibers. This includes a range of garments designed for intimate wear, such as briefs, boxer briefs, and other similar styles, when manufactured from synthetic or artificial fibers like polyester, nylon, or rayon.

Distinguishing this category from its siblings, 6107.11.00, is crucial. While both fall under the broader classification for men's or boys' knitted or crocheted underpants and briefs, 6107.11.00 is reserved for items exclusively made of cotton. Therefore, any undergarment in this classification *must not* contain cotton as its primary component; its defining characteristic is the presence of man-made fibers.

The subcategories within 6107.12.00, namely 6107.12.00.10 (Men's) and 6107.12.00.20 (Boys'), further refine the classification based on the intended wearer. This distinction is important for statistical tracking and compliance with specific trade regulations that may differentiate based on age group.