U.S. imports of Men's & Boys' Knitted Manmade Fiber Underpants & Briefs (HS 610712) totaled $42.0M in August 2026, imported from 63 countries.
Importers of Men's & Boys' Knitted Manmade Fiber Underpants & Briefs paid $10.1M in duties in August 2026, an average duty rate of 23.15% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Men's & Boys' Knitted Manmade Fiber Underpants & Briefs imports of $42.0M in August 2026 ran 22% above the year-to-date monthly average of $34.4M.
Last updated: August 2026 dataManmade fiber knit underpants and briefs — predominantly polyester, nylon, and microfiber constructions — are sourced primarily from Vietnam and China, with India, Sri Lanka, and Kenya also supplying the US market. The heading splits into men's (6107120010) and boys' (6107120020) lines under the general line (6107120000). Imports of Chinese-origin goods in this category are subject to Section 301 tariffs, making Vietnam and Sri Lanka attractive alternative sourcing destinations for buyers managing duty exposure on performance underwear and athletic brief styles.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
4.5K import shipments a month
Unlike some manmade fiber apparel headings (such as 610520 or 610620), heading 610712 does not subdivide by wool content in the US schedule. The lines here separate only by gender (men's vs. boys'). However, if a brief contains a very high proportion of wool, it could potentially be reclassified under heading 610719 (other textile materials), so fiber content documentation remains important.
Country of origin for knitted apparel is generally determined by where the fabric is knit to shape or where the cutting and sewing operations occur, following the 'substantial transformation' standard. For goods from countries with specific rules of origin under trade agreements or preference programs, the applicable rule may differ. Importers sourcing from multiple countries — including Vietnam, Sri Lanka, and Kenya — should maintain production records and certificates of origin to support CBP verification.
ImportsExports
Imports
$42.0MYoY · free account
Exports
$979KYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $426.7M of Men's & Boys' Knitted Manmade Fiber Underpants & Briefs and exported $19.8M.
Through August 2026. Source: U.S. Census Bureau.
Subheading 2 of 8 in heading 6107
Subheading 610712 · $42.0M of $145.4M
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Imports for consumption | Average duty rate | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 6107120010 | Men's Underpants and Briefs of Manmade Fibers, Kni | $40.3M | 22.67% | 82.90% | $9.1M |
| 6107120020 | Boys' Underpants and Briefs of Manmade Fibers, Kni | $3.3M | 29.09% | 97.39% | $950K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 6107120000 | Men's/Boys' Underpants & Briefs Manmade Fiber, Knit | $979K |
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.
Imports · August 2026
origin
Vietnam and China together supply 47% of it. China pays 34.8% duty; El Salvador 0.4%.
customs district
destination
entry
rate provision · imports
16.1% enters free of duty; duty collected equals 23.15% of imports for consumption.