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#2 on this list
Guide Wool Sweater
Filson
Heavyweight Merino with a slim body and long tail. A working sweater, not a cabin ornament.
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- How we assessed it
- Specification researched

#3 on this list
Powder Highline Hoodie
Duckworth
Montana Merino, grown-to-sewn in the USA. The most breathable wool hoodie on the market.
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Specs side by side
| Spec | Guide Wool Sweater | Powder Highline Hoodie |
|---|---|---|
| Material | 100% Virgin Merino Wool | 100% Montana Merino Wool (Aerowool) |
| Weight | Heavyweight | Medium (approx. 10.5 oz / 298 g) |
| Fit | Slim body, long tail | Athletic, next-to-skin |
| Care | Dry Clean or Hand Wash Cold | — |
| Origin | Made in USA with imported material | Grown, Spun, Knit & Sewn in USA |
| Style | Crewneck | — |
| Hood Type | — | Scuba style |
What our reviewers liked and didn't
Guide Wool Sweater
- Exceptional warmth and insulation for its weight
- Superior durability and resistance to wear and tear
- Natural odor resistance and breathability of Merino wool
- Classic, functional design built for hard work
- Long tail provides excellent coverage and warmth
- High price point, a significant investment
- Heavy and bulky compared to lighter alternatives
- Requires careful cleaning (dry clean or hand wash) to maintain
- Not ideal for fast-and-light adventures due to weight
Powder Highline Hoodie
- Unmatched breathability for a wool hoodie
- Excellent moisture wicking and temperature regulation
- Made with 100% Montana Merino Wool, full USA production
- Comfortable next-to-skin feel, resists odor
- Scuba hood adds versatility and warmth
- Premium price point, an investment piece
- Athletic fit may not suit all body types or preferences
- Wool requires careful washing to maintain integrity
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