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HSChapter 61
U.S. imports of men's & boys' knitted underpants & briefs of other textile materials (HS 610719) totaled $2.3M in July 2026, traded with 46 countries.
Importers of Men's & Boys' Knitted Underpants & Briefs of Other Textile Materials paid $237K in duties in July 2026 — an effective duty rate of 15% on $1.6M in dutiable value, based on actual customs collections rather than the published tariff schedule. Men's & Boys' Knitted Underpants & Briefs of Other Textile Materials imports of $2.3M in July 2026 ran 94% above the year-to-date monthly average of $1.2M.
Last updated: July 2026 dataSilk and specialty natural fibers define the niche commercial segment covered by this residual heading, which captures knitted men's and boys' underpants and briefs not made of cotton or manmade fibers. Vietnam and China lead US imports, with Peru also a notable source — reflecting Peru's established fine-knit alpaca and pima cotton-adjacent textile sector, though alpaca (a fine animal hair) would fall here rather than under the cotton heading. The US schedule distinguishes briefs containing 70% or more silk (6107191000) from all other textile material briefs (6107199000), making silk content verification the primary classification step for luxury underwear in this heading.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
818 shipments/mo
Yes. Alpaca is a fine animal hair, not cotton or a manmade fiber, so knitted men's or boys' briefs made of alpaca would fall under heading 610719 as 'other textile materials.' They would be classified under 6107199000 unless the article also contains 70% or more silk by weight, which is commercially unlikely for alpaca-dominant goods.
Importers should obtain a fiber content analysis from an accredited textile testing laboratory confirming that the article contains 70% or more silk by weight. This lab report, along with the commercial invoice and product specification sheet, should be retained in the entry records. CBP may request this documentation during a CF-28 inquiry or audit.
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 6107199000 | M/B Underpants of Other Textile Material, Knit | $2.2M | 10.32% | 68.69% | $230K |
| 6107191000 | M/B Underpants Ot Tex Mat Cont 70% More Silk, Knit | $64K | 10.89% | 100.00% | $7K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 6107190000 | Men's/Boys' Underpant,& Briefs Ot Textile Mtrl, Kt | $35K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$2.3MYoY · Pro
Exports
$35KYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Vietnam and Cambodia together supply 71% of it.
customs district
destination
entry
rate provision · imports
the effective duty rate is 10.34%.