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HSChapter 61
U.S. imports of men's & boys' knit swimwear of synthetic fibers (HS 611231) totaled $1.4M in June 2026, traded with 53 countries.
Importers of Men's & Boys' Knit Swimwear of Synthetic Fibers paid $419K in duties in June 2026 — an effective duty rate of 30% on $1.4M in dutiable value, based on actual customs collections rather than the published tariff schedule. Men's & Boys' Knit Swimwear of Synthetic Fibers imports of $1.4M in June 2026 ran 22% below the year-to-date monthly average of $1.8M.
Imports from China dominate this heading, with Sri Lanka and Vietnam also significant suppliers of knit or crocheted swimwear constructed from synthetic fibers such as nylon or polyester. The US schedule breaks the heading into two 10-digit lines — men's (6112310010) and boys' (6112310020) — with classification turning on the garment's intended wearer size. Goods from China are subject to Section 301 tariffs, making origin diversification toward Sri Lanka and Vietnam a common sourcing strategy for US importers. Elastane content and fiber blend percentages are key specification details that customs examiners may scrutinize at entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Classification between 6112310010 (men's) and 6112310020 (boys') generally follows the size range of the garment as labeled and marketed — boys' sizes typically correspond to children's sizing conventions, while men's covers adult sizing. Importers should ensure commercial invoices and packing lists clearly state the intended size range to avoid reclassification.
Yes. Knit swimwear of synthetic fibers originating in China is subject to Section 301 tariffs in addition to the standard column 1 duty rate. Importers sourcing from Vietnam or Sri Lanka — the next-largest suppliers — are not subject to Section 301, which has driven notable supply-chain shifts in this category.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| SRI LANKA | $369K | -- | -$369K |
| JORDAN | $357K | -- | -$357K |
| PHILIPPINES | $146K | -- | -$146K |
| ITALY | $106K | -- | -$106K |
| CHINA | $76K | -- | -$76K |
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 |
|---|---|---|---|---|---|
| 6112310010 | MEN'S SWIMWEAR OF SYNTHETIC FIBERS, KNIT | $1.3M | 28.60% | 98.83% | $384K |
| 6112310020 | BOYS' SWIMWEAR OF SYNTHETIC FIBERS, KNIT | $91K | 38.70% | 100.00% | $35K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 6112310000 | MEN'S OR BOYS' SWIMWEAR OF SYNTHETIC FIBERS, KNITT | $55K |
SWEATERS, PULLOVERS ETC, KNIT ETC, COTTON
HS 611020
T-SHIRTS, SINGLETS, TANK TOPS ETC, KNIT ETC COTTON
HS 610910
SWEATERS, PULLOVERS ETC, KNIT ETC, MANMADE FIBERS
HS 611030
W/G TROUSERS OVERALLS BREECHES SHORTS COTTON, KNIT
HS 610462
T-SHIRTS, SINGLETS ETC, KNIT ETC, TEXTILES NESOI
HS 610990
W/G TROUSER OVERALL BREECHES SHORTS SYN FIB, KNIT
HS 610463
| State | Imports | Exports | Balance |
|---|---|---|---|
| Georgia | $391K | -- | -$391K |
| California | $352K | $3K | -$349K |
| Kentucky | $213K | -- | -$213K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| SAVANNAH, GA | $357K | -- | -$357K |
| LOS ANGELES INTERNATIONAL AIRPORT, CA | $325K | -- | -$325K |
| NEWARK, NJ | $213K | -- | -$213K |