U.S. imports of Men's & Boys' Knitted Synthetic Fiber Suit-Type Jackets & Blazers (HS 610333) totaled $3.3M in August 2026, imported from 58 countries.
Importers of Men's & Boys' Knitted Synthetic Fiber Suit-Type Jackets & Blazers paid $997K in duties in August 2026, an average duty rate of 29.83% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Men's & Boys' Knitted Synthetic Fiber Suit-Type Jackets & Blazers imports of $3.3M in August 2026 ran 44% above the year-to-date monthly average of $2.3M.
Last updated: August 2026 dataSynthetic fiber construction — typically polyester or polyester-wool blends — drives the mid-market and performance tailoring segments for men's knitted blazers. The US schedule subdivides this heading into three 10-digit lines: 6103330000 (general), 6103331000 (containing 23% or more wool by weight), and 6103332000 (other synthetic fibers), making fiber-content testing essential to correct line selection. Vietnam leads supply, followed by China; China-origin entries carry Section 301 exposure, while Vietnam-origin goods do not face that measure.
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502 import shipments a month
The 23% wool content threshold triggers a separate 10-digit tariff line (6103331000) with potentially different duty rates than the 'other synthetic fibers' line (6103332000). Importers must obtain accurate fiber-content test results — typically via AATCC or ISO laboratory analysis — before filing entry, since misclassification between these lines can result in underpayment or overpayment of duties and potential CBP penalties.
Classification follows the chief weight rule: if synthetic fiber (e.g., polyester) predominates by weight, the garment falls under heading 6103.33. The secondary question is then whether the wool component reaches 23% or more, directing the entry to 6103331000 rather than 6103332000. Fiber-content documentation from the manufacturer and, where borderline, independent lab testing are the standard tools for resolving this.
Subheading 3 of 12 in heading 6103
Subheading 610333 · $3.3M of $222.5M
ImportsExports
Imports
$3.3MYoY · free account
Exports
$35KYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $28.1M of Men's & Boys' Knitted Synthetic Fiber Suit-Type Jackets & Blazers and exported $1.1M.
Through August 2026. Source: U.S. Census Bureau.
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 |
|---|---|---|---|---|---|
| 6103332000 | M/B Suit-Type Jackets & Blazers of Ot Syn Fib, Knit | $3.2M | 30.14% | 74.28% | $966K |
| 6103331000 | M/B Suit-Type Jacket of Syn Fib Cont 23% Wool, Knit | $136K | 22.59% | 97.27% | $31K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 6103330000 | M/B Suit-Type Jacket & Blazer Synthetic Fiber, Knit | $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.
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Imports · August 2026
origin
China pays 46.1% duty; Mexico <0.1%.
customs district
destination
entry
rate provision · imports
25.0% enters free of duty; duty collected equals 29.83% of imports for consumption.