Description
US Navy / USAF N-3B Extreme Cold Weather Trousers — Green
Authentic US military N-3B Extreme Cold Weather (ECW) trousers. Rated to −60°F. Water-resistant 100% cotton outer shell with wool/modacrylic lining. Zippered fly. Some variants include full suspenders for quick on/off. NSN: 8415-00-394-3615. Made in USA.
Key Features
- Extreme Cold Rating: Rated to −60°F
- Water-Resistant Shell: 100% cotton outer, ideal for snow and wet conditions
- Insulated Lining: 60% modacrylic / 40% wool
- Zippered Fly with optional full suspenders (see variant)
- Genuine USGI: Issued to US Air Force for Arctic/extreme cold duty
- Runs slightly large to accommodate layering — order your normal pant size
Condition & Suspenders
Condition and suspender inclusion vary by variant — check the size/variant label carefully before ordering.
New in Package — Unused, in original packaging.
Excellent — Minimal or no signs of wear. May be outside original packaging.
Very Good — Previously issued and washed. Light pilling may be present. No holes. 100% functional.
Good / Issued — Previously issued. May have light staining or minor marks. No holes. 100% functional.
Size Chart — N-3B ECW Trousers
| Waist Size | Waist (inches) | Hip (inches) |
|---|---|---|
| 30 | 30 | ~38 |
| 32 | 32 | ~40 |
| 34 | 34 | ~42 |
| 36 | 36 | ~44 |
| 38 | 38 | ~46 |









