Tandom · Duty calculator
Add country and invoice value for the full duty stack — base + 301 + 232 + AD/CVD + fees.
HTS 6109.10.00.11 is the U.S. Harmonized Tariff Schedule classification for Thermal undershirts (352). It's a 10-digit statistical line in Chapter 61: Articles of apparel and clothing accessories, knitted or crocheted, Section XI: Textiles and Textile Articles, used by U.S. Customs and Border Protection to determine the duty rate at entry. No Chapter 99 tariff modifications (Section 301, Section 232, IEEPA) or AD/CVD orders currently flag this code in Tandom's catalog.
New to HTS codes? Read our guide on how HTS classification works →
Past CBP decisions classifying real products under this HTS code. Useful precedent when classifying a similar product — each ruling shows how CBP interpreted the code for a specific case.
The tariff classification of underwear from Vietnam
The tariff classification of undergarments from China.
The tariff classification of a men’s undergarment from India.
The tariff classification of a men’s undergarment from India.
The tariff classification of a men’s garment from Thailand. Correction to Ruling Number N184897.
Source: CBP CROSS (view all rulings on rulings.cbp.gov →)
HTS 6109.10.00.11 is the U.S. Harmonized Tariff Schedule classification for Thermal undershirts (352). It belongs to Chapter 61 of the HTSUS.
The general (Column 1) duty rate for HTS 6109.10.00.11 is 16.5%. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
Yes. Imports of HTS 6109.10.00.11 from countries party to a trade program (such as USMCA, KORUS, GSP, or the African Growth and Opportunity Act) may qualify for the special rate: Free (AU,BH,CL,CO,IL,JO,KR,MA,OM,P,PA,PE,S,SG). Eligibility depends on rules of origin and certification.
The Column 2 rate for HTS 6109.10.00.11 is 90%. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Cuba and North Korea).
No active Chapter 99 tariff overlays (Section 301, Section 232, IEEPA reciprocal, etc.) currently flag HTS 6109.10.00.11 in Tandom's catalog. Use the calculator's date + origin inputs to confirm against any retroactive overlay you may be filing.
No active AD/CVD orders currently flag HTS 6109.10.00.11 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
Free Trade Agreement and special-program eligibility
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