HS Code for Performance T-Shirts
The HS Code for performance t-shirts is 610990. The MFN duty rate for importing to the US is 32%.
| HS Code (6-digit) | 610990 |
|---|---|
| US Duty Rate (MFN) | 32% |
| EU Duty Rate (MFN) | 12% |
| Chapter | 61 |
| Heading | 6109 |
| Last Updated | 2026-05 |
Description
T-shirts, singlets and other vests of other textile materials, knitted
HS Code 610990 covers knitted t-shirts and vests of other textile materials with a US MFN duty rate of 32%.
Frequently Asked Questions
What are the primary cost adders, beyond the product price and standard duty rate, for importing performance t-shirts under HTS 610990?
For performance t-shirts made of synthetic materials like polyester, the most significant additional cost is the Section 301 tariffs, which can add a 32% to 32% duty on the product's value if originating from China. Furthermore, if the fabric contains elastane (spandex), you may be subject to higher duty rates under the textile fiber component rules, and goods are frequently subject to customs holds requiring lab testing for fiber content verification, incurring detention and testing fees.
What key compliance requirements must be met when importing performance t-shirts under HTS 610990, which are often made from synthetic materials?
Performance t-shirts classified under 610990 must comply with U.S. Consumer Product Safety Commission (CPSC) flammability standards for clothing textiles (16 CFR Part 1610). Additionally, if they are marketed with moisture-wicking or antimicrobial properties, you may need to ensure any chemical treatments comply with applicable EPA or state regulations, such as California's Proposition 65.
What are the packaging requirements for shipping international air freight of performance t-shirts under HTS 610990?
Performance t-shirts must be packed in sealed, clear plastic polybags, with 5-10 pieces per bag, and then placed in strong cardboard cartons. The outer carton markings must include the fiber composition, country of origin, and number of pieces to facilitate customs clearance. Using vacuum packing to reduce volume is common to optimize air freight costs for these lightweight knit garments.
Seasonal Import Patterns for Performance T-Shirts
Imports under HTS 610990 for performance t-shirts show pronounced seasonal peaks tied to retail buying cycles for spring/summer and holiday/fitness seasons. Major volume surges typically occur from January to April (for spring/summer lines) and again from July to September (for back-to-school and holiday inventory). Data from U.S. Customs shows import volumes can be 40-60% higher in these peak months compared to the slower periods of late fall. This pattern is consistent year-over-year, driven by the athletic and casualwear market.
Compliance Notes for Performance T-Shirts
Performance T-shirts (6109.90) must comply with U.S. CPSC flammability standards under 16 CFR Part 1610, and if marketed for children under 13, they must also meet CPSIA lead and phthalate limits. For imports to the U.S., ensure the country of origin is properly marked per 19 CFR 134. If the garment contains wool, it may be subject to the Wool Products Labeling Act. Additionally, shipments valued over $800 may require a formal entry (CBP Form 3461), and the importer of record must maintain documentation proving compliance with all applicable regulations.
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