6109.90.10.25 - Boys' (638)

This HTS code encompasses boys' tank tops and singlets specifically crafted from man-made fibers, falling under the broader category of knitted or crocheted garments of other textile materials. These garments are designed for casual wear and are distinguished by their sleeveless nature and close-fitting styles, intended to be worn as undergarments or standalone tops. The key differentiating factor is the target demographic, boys, as opposed to men.

Within the "Of man-made fibers" subcategory for "Men's or boys': Tank tops and singlets," this specific code, 6109.90.10.25, isolates boys' versions. Its sibling category, 6109.90.10.13, classifies the equivalent garments for men. The distinction is based on typical sizing and design considerations tailored to the respective age and gender groups. As this is a leaf node, it represents the most granular classification for this specific item.