# United States tariff lines under HS 6104.63

> The United States tariff splits HS 6104.63 (trousers, bib and brace overalls, breeches and shorts: Of synthetic fibres) into 14 national lines: 6104.63.10.10 (insulated, for cold weather protection (659)), 6104.63.10.20 (women's (659)), 6104.63.10.30 (girls' (659)), 6104.63.15.10 (trousers and breeches (448)) and 10 others.

Source: https://border.bot/countries/united-states/hs-codes/610463
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 61](https://border.bot/countries/united-states/hs-codes/61) / [6104.63](https://border.bot/countries/united-states/hs-codes/610463)

## Key facts

- HS subheading: [6104.63](https://border.bot/hs-codes/610463)
- National lines: 14
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 61: Articles of apparel and clothing accessories, knitted or crocheted

## United States lines under 6104.63

The United States tariff splits HS 6104.63 (trousers, bib and brace overalls, breeches and shorts: Of synthetic fibres) into 14 national lines: 6104.63.10.10 (insulated, for cold weather protection (659)), 6104.63.10.20 (women's (659)), 6104.63.10.30 (girls' (659)), 6104.63.15.10 (trousers and breeches (448)) and 10 others.

- [6104.63.10.10](https://border.bot/countries/united-states/hs-codes/6104631010) Trousers, bib and brace overalls, breeches and shorts, Of synthetic fibers, Bib and brace overalls, Insulated, for cold weather protection (659). Duty (MFN): 14.9%
- [6104.63.10.20](https://border.bot/countries/united-states/hs-codes/6104631020) Trousers, bib and brace overalls, breeches and shorts, Of synthetic fibers, Bib and brace overalls, Other, Women's (659). Duty (MFN): 14.9%
- [6104.63.10.30](https://border.bot/countries/united-states/hs-codes/6104631030) Trousers, bib and brace overalls, breeches and shorts, Of synthetic fibers, Bib and brace overalls, Other, Girls' (659). Duty (MFN): 14.9%
- [6104.63.15.10](https://border.bot/countries/united-states/hs-codes/6104631510) Trousers, bib and brace overalls, breeches and shorts, Of synthetic fibers, Other, Containing 23 percent or more by weight of wool or fine animal hair, Trousers and breeches (448). Duty (MFN): 14.9%
- [6104.63.15.20](https://border.bot/countries/united-states/hs-codes/6104631520) Trousers, bib and brace overalls, breeches and shorts, Of synthetic fibers, Other, Containing 23 percent or more by weight of wool or fine animal hair, Shorts (448). Duty (MFN): 14.9%
- [6104.63.20.06](https://border.bot/countries/united-states/hs-codes/6104632006) Trousers, bib and brace overalls, breeches and shorts, Of synthetic fibers, Other, Other, Trousers and breeches, Women's, Containing 5 percent or more by weight of elastomeric yarn or rubber thread (648). Duty (MFN): 28.2%
- [6104.63.20.11](https://border.bot/countries/united-states/hs-codes/6104632011) Trousers, bib and brace overalls, breeches and shorts, Of synthetic fibers, Other, Other, Trousers and breeches, Women's, Other (648). Duty (MFN): 28.2%
- [6104.63.20.16](https://border.bot/countries/united-states/hs-codes/6104632016) Trousers, bib and brace overalls, breeches and shorts, Of synthetic fibers, Other, Other, Trousers and breeches, Girls', Imported as parts of playsuits, Containing 5 percent or more by weight of elastomeric yarn or rubber thread (237). Duty (MFN): 28.2%
- [6104.63.20.21](https://border.bot/countries/united-states/hs-codes/6104632021) Trousers, bib and brace overalls, breeches and shorts, Of synthetic fibers, Other, Other, Trousers and breeches, Girls', Imported as parts of playsuits, Other (237). Duty (MFN): 28.2%
- [6104.63.20.26](https://border.bot/countries/united-states/hs-codes/6104632026) Trousers, bib and brace overalls, breeches and shorts, Of synthetic fibers, Other, Other, Trousers and breeches, Girls', Other, Containing 5 percent or more by weight of elastomeric yarn or rubber thread (648). Duty (MFN): 28.2%
- [6104.63.20.28](https://border.bot/countries/united-states/hs-codes/6104632028) Trousers, bib and brace overalls, breeches and shorts, Of synthetic fibers, Other, Other, Trousers and breeches, Girls', Other, Other (648). Duty (MFN): 28.2%
- [6104.63.20.30](https://border.bot/countries/united-states/hs-codes/6104632030) Trousers, bib and brace overalls, breeches and shorts, Of synthetic fibers, Other, Other, Shorts, Women's (648). Duty (MFN): 28.2%
- [6104.63.20.50](https://border.bot/countries/united-states/hs-codes/6104632050) Trousers, bib and brace overalls, breeches and shorts, Of synthetic fibers, Other, Other, Shorts, Girls', Imported as parts of play suits (237). Duty (MFN): 28.2%
- [6104.63.20.60](https://border.bot/countries/united-states/hs-codes/6104632060) Trousers, bib and brace overalls, breeches and shorts, Of synthetic fibers, Other, Other, Shorts, Girls', Other (648). Duty (MFN): 28.2%

## In other countries

No other national tariff on border.bot has live lines under 6104.63 yet.

- [The Harmonized System text for 6104.63](https://border.bot/hs-codes/610463)

- Previous subheading: [6104.62](https://border.bot/countries/united-states/hs-codes/610462) Of cotton
- Next subheading: [6104.69](https://border.bot/countries/united-states/hs-codes/610469) Of other textile materials

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 6104.63?

The United States tariff splits HS 6104.63 (trousers, bib and brace overalls, breeches and shorts: Of synthetic fibres) into 14 national lines: 6104.63.10.10 (insulated, for cold weather protection (659)), 6104.63.10.20 (women's (659)), 6104.63.10.30 (girls' (659)), 6104.63.15.10 (trousers and breeches (448)) and 10 others.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/610463.json