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HSChapter 61
U.S. imports of women's & girls' knit dresses of synthetic fibers (HS 610443) totaled $61.5M in April 2026, traded with 84 countries.
Last updated: April 2026 dataSynthetic fiber knit dresses divide at the 23% wool-by-weight threshold, with lines 6104431010 and 6104431020 covering higher-wool-content synthetic blends for women and girls respectively, and lines 6104432010 and 6104432020 covering other synthetic fiber constructions. Vietnam leads US supply, with China and Indonesia also significant sources. Polyester and nylon dominate the 'other synthetic' lines commercially, while acrylic-wool blends are the primary driver of the higher-wool-content lines. As with other synthetic apparel from China, Section 301 tariffs apply, reinforcing the competitive position of Vietnamese and Indonesian manufacturers.
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The chief weight fiber is polyester (55%), so the garment classifies as a synthetic fiber dress. The wool content is below 23%, directing it to the 'other synthetic fibers' lines — 6104432010 for women's or 6104432020 for girls'. If the wool content were 23% or above, it would instead fall under 6104431010 or 6104431020.
Importers should obtain accredited laboratory fiber analysis before filing the entry when wool content is within a few percentage points of 23%. CBP can independently test samples, and a finding that pushes the garment across the threshold results in reclassification to a different 10-digit line, potential additional duties, and possible penalties for material misstatement.
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Monthly import values over time