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6109.10.00.40
T-shirts, knitted, of cotton
GRI 1: Heading 6109 covers knitted t-shirts. Subheading .10 for cotton content >50%. Suffix .40 for women's.
Sample output
See a sample classification result
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Women's Cotton T-Shirt
Cotton (100%) · Origin: Vietnam · Value: $8.50
6109.10.00
T-shirts, singlets, tank tops and similar garments, knitted or crocheted, of cotton
Rationale
GRI 1 resolves via heading 6109: product is a knitted cotton t-shirt. Subheading .10 for cotton content exceeding 50% by weight.
We ask the right questions
No blank search box. ImportPilot asks the specific questions customs classification requires — material, construction, use, origin — in plain language. You answer, the engine narrows from 29,000+ tariff lines.
See why each code fits
Get ranked candidates with confidence levels, rationale, and a full duty breakdown. You see the reasoning and pick the code you trust — not a black-box answer.
Stop re-researching the same products
Classify once, save it, and we'll alert you when tariff changes affect it. No other self-serve tool does this.
Built for
Who this is for
Import-heavy Shopify merchants
Know your landed costs before setting prices. Classify your catalog and get duty estimates for every imported SKU.
Ecommerce brands on any platform
Whether you sell on Amazon, WooCommerce, BigCommerce, or multiple channels — if you import, you need classification.
Distributors and importers
Manage hundreds of SKUs with repeat classifications, bulk CSV import, and ongoing monitoring.
Operations and sourcing teams
Get duty estimates during sourcing decisions, not after purchase orders are placed.
Companies with repeat imports
Save classified products and monitor for tariff changes instead of re-researching the same items.
Replace your spreadsheet
Why this is better than manual research
No re-researching the same products
Classify once, save the result, and revisit anytime. No more digging through old emails or spreadsheets.
Centralized facts and outputs
Product facts, HTS codes, duty estimates, and rationale in one place. Share with your team or broker.
Automatic monitoring
ImportPilot watches official tariff sources and alerts you when changes may affect your saved products.
Guides
Start with the question you have
Short, plain-English guides for the most common classification and duty questions Shopify merchants ask us.
Shopify duty calculator
A classification-aware duty estimate that actually includes Section 301 and 232 overlays.
Read guideAdd HS codes to Shopify products
Bulk-classify your catalog and export a Shopify-ready CSV with HS codes filled in.
Read guideCountry of origin for Shopify
The single biggest lever on your duty rate, explained without customs jargon.
Read guideWhy is my Shopify duty wrong?
The four reasons your carrier billed more than Shopify estimated — and how to fix each one.
Read guideLanded cost for Shopify imports
Price your products on the cost of the thing you actually sell, not the supplier quote.
Read guideHTS classification tool
How ImportPilot narrows from 29,000+ tariff lines to the handful that actually apply.
Read guideOur approach
Built for confidence, not false certainty
Transparent confidence levels
Every classification shows a confidence percentage and rationale. You see which facts drove the result and where uncertainty remains.
Decision support, not legal advice
ImportPilot provides likely HTS codes and duty estimates to support your planning. Validate important classifications with a licensed customs broker before formal filings.
Built on official data sources
Classifications draw from the USITC Harmonized Tariff Schedule, CBP CROSS rulings, and Informed Compliance Publications. Source freshness is monitored continuously.
Plans
Simple, predictable pricing
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Frequently asked questions
What is HTS classification?
Every product imported into the U.S. must be assigned a Harmonized Tariff Schedule (HTS) code. This 10-digit code determines the duty rate you pay. Getting it right affects your landed cost, compliance, and margin.
How accurate is the classification?
For common product categories like apparel, bags, footwear, and steel goods, we reach the correct 8-digit code (which determines duty) roughly 85-90% of the time. For uncommon or edge-case products, we tell you upfront when confidence is low and always show alternative codes so you can make the call. For high-stakes shipments, we recommend validating with a licensed customs broker.
Is this legal advice?
No — but it gives you the research and confidence to make smart decisions before you talk to your broker. ImportPilot is decision-support software, not a licensed customs broker or legal counsel. It is not a lawyer, but it is a lot smarter than a spreadsheet.
What sources does ImportPilot monitor?
ImportPilot monitors the USITC Harmonized Tariff Schedule, CBP CROSS rulings database, Informed Compliance Publications, and Section 301/232/201 tariff actions. When changes are detected that may affect your saved products, you receive an alert.
How does the free trial work?
Sign up, pick a plan, and enter your card. You get 7 days free — we won't charge you until the trial ends. Cancel anytime during the trial and you won't be billed.
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