6210.50.05.31 - Ski/snowboard pants (648)

This HTS classification, 6210.50.05.31, specifically identifies ski and snowboard pants for women or girls, which are constructed from non-knitted or crocheted fabrics falling under headings 5602, 5603, 5903, 5906, or 5907. These garments are designed for recreational performance, indicating specialized features such as waterproofing, breathability, insulation, and durability suitable for demanding winter sports activities. The emphasis on "man-made fibers" further refines the material composition, excluding those primarily made of natural fibers.

This subcategory is distinguished from its sibling, 6210.50.05.39, which covers "Other" recreational performance outerwear within the same broad category. While 6210.50.05.31 is narrowly focused on trousers specifically designed for skiing and snowboarding, the "Other" category would encompass different types of performance outerwear like jackets, suits, or bibs. Both categories share the common thread of being women's or girls' garments, made from specific synthetic fabrics, and intended for high-performance recreational use.

As this is a leaf node in the HTS structure, there are no further subcategories. Therefore, classification at this level requires careful consideration of the garment's intended use and specific design features to confirm it meets the criteria for ski or snowboard pants, rather than other types of performance trousers or general outerwear. The presence of specific features like reinforced seams, gaiters, ventilation zippers, and insulation layers are key factors in determining accurate classification under this heading.