6203.49.05.05 - Containing 36 percent or more by weight of wool or fine animal hair (447)

This HTS category specifically classifies trousers, breeches, and shorts that are constructed from textile materials other than cotton, wool, fine animal hair, or artificial fibers. The key distinguishing feature of goods classified here is their composition and intended use. These items are designed as recreational performance outerwear, meaning they are intended for athletic or outdoor activities where specific performance characteristics like breathability, water resistance, or flexibility are important.

The crucial distinction for this subcategory lies in the material composition. Unlike trousers made predominantly of cotton, wool, or artificial fibers, items here are made from a diverse range of "other textile materials." This often includes blends or specialized synthetic fabrics engineered for specific performance benefits. For instance, outerwear designed for hiking, skiing, or cycling that utilizes advanced synthetic blends would fall under this heading, provided they do not meet the criteria for more specific subcategories based on fiber content.

As this is a leaf node within the HTS, there are no further subcategories. Therefore, classification at this level requires careful consideration of the material composition and the primary intended use as recreational performance outerwear. If an item is made of wool or fine animal hair, it would be classified under a different heading, and if it were predominantly of artificial fibers, it would also be directed to a separate category. The focus here is on garments where the "other textile materials" and their performance attributes are the defining characteristic.