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Gear

DoubleWool Headover

wind, sun, dust, and cold protection

Expert reviewed

Topic summary

wind, sun, dust, and cold protection

Key takeaways

  • Two-layer Merino: WarmWool exterior, WoolNet interior
  • 100% Merino wool construction
  • Seamless tubular knit design
  • Excellent warmth-to-weight ratio
  • Naturally odor resistant and quick drying
  • Exceptional warmth for its weight via two-layer construction

Intended uses

  • Cold weather hiking
  • Ski touring
  • Ice climbing
  • Winter camping
  • High-output cold activities

Verification notes

Evidence: expert reviewed. Last verified July 14, 2026.

Catalog photo
Real product photography — no AI-generated or placeholder imagery.

Editorial take

The Aclima DoubleWool Headover is an often-overlooked piece of cold-weather kit that punches well above its weight. Constructed from a unique two-layer knit, it features Aclima's 100% Merino WarmWool on the outside and their soft, insulating Merino WoolNet on the inside. This combination creates an air-trapping system that offers significantly more warmth than a single-layer merino gaiter, without feeling overly bulky. The outer knit provides robust wind resistance for its weight, while the inner mesh excels at moisture management, effectively wicking sweat away from the skin during high-output activities.

In the field, this headover really shines when temperatures drop and activity levels vary. We've used it extensively for everything from winter hiking and ski touring to ice climbing and cold-weather photography. Its versatility allows it to be worn as a neck gaiter, balaclava, hat, or even a rudimentary face mask, adapting quickly to changing conditions without needing to dig through your pack for another item. The merino construction means it stays warm even when damp, and its natural odor resistance is a definite plus on multi-day trips where washing isn't an option. While it's not a waterproof solution, its thermal performance in cold, dry conditions is excellent.

Compared to standard merino neck gaiters, the DoubleWool offers superior warmth-to-weight and breathability, making it a better choice for truly cold environments. It's an investment, but the durability of Aclima's merino knits is consistently high, holding up to regular use and washing cycles without significant pilling or loss of elasticity. For anyone frequently operating in frigid, variable conditions where reliable thermal regulation and adaptability are paramount, this headover is a top-tier performer that justifies its spot in the gear roster.

Best for

  • Cold weather hiking
  • Ski touring
  • Ice climbing
  • Winter camping
  • High-output cold activities

Not ideal for

  • Higher price point than single-layer options
  • Not ideal for warm weather or high humidity
  • Slightly bulkier than thin merino gaiters
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Verified specifications

Country of manufacture
🇳🇴 Norway
Key features
  • Two-layer Merino: WarmWool exterior, WoolNet interior
  • 100% Merino wool construction
  • Seamless tubular knit design
  • Excellent warmth-to-weight ratio
  • Naturally odor resistant and quick drying

Warranty and repair information: contact Aclima directly for the most current terms. Aclima support

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