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Heavyweight 100% Merino Wool Balaclava
When winter throws everything at you, this is what you reach for. The Heavyweight Balaclava delivers serious warmth in a 400 g/m² expedition-weight construction—the same fabric that's been tested on Mount Everest, in the Arctic, and across Antarctic expeditions. The 100% merino wool breathes and manages moisture so you stay warm without the clamminess of synthetics, and the versatile design adapts to changing conditions: wear it as a full balaclava covering nose and mouth, pull the face covering down below your chin, or slip your head through the eye opening to convert it into a neck gaiter. One piece, three ways to wear it.
Why You'll Love This Balaclava
- 100% Australian merino wool in heavyweight 400 g/m² interlock knit
- 17.5-micron fibers feel soft against skin with no itch
- Versatile 3-way wear: full balaclava, partial face covering, or neck gaiter
- Flatlock seams prevent chafing during all-day wear
- Lightweight and packable at just 3.2 oz (90g)
- UPF 25 sun protection
- OEKO-TEX, Woolmark, and Responsible Wool Standard certified
Size & Fit
One size fits most adults. The interlock knit construction provides gentle stretch to conform comfortably to your head and neck.
Care Instructions
Turn inside out and machine wash cold on gentle cycle with mild or wool-specific detergent like M33 Nikwax Wool Wash. Tumble dry on low heat. Store in an airtight container when not in use for extended periods. Never use fabric softener or bleach.
Complete Your Look
Pair with heavyweight base layers for a complete cold weather system built for the harshest conditions. Explore our full Merino Wool Collection from Minus 33, a 5th-generation New Hampshire family business with over a century of textile expertise.
When winter throws everything at you, this is what you reach for. The Heavyweight Balaclava delivers serious warmth in a 400 g/m² expedition-weight construction—the same fabric that's been tested on Mount Everest, in the Arctic, and across Antarctic expeditions. The 100% merino wool breathes and manages moisture so you stay warm without the clamminess of synthetics, and the versatile design adapts to changing conditions: wear it as a full balaclava covering nose and mouth, pull the face covering down below your chin, or slip your head through the eye opening to convert it into a neck gaiter. One piece, three ways to wear it.
Why You'll Love This Balaclava
- 100% Australian merino wool in heavyweight 400 g/m² interlock knit
- 17.5-micron fibers feel soft against skin with no itch
- Versatile 3-way wear: full balaclava, partial face covering, or neck gaiter
- Flatlock seams prevent chafing during all-day wear
- Lightweight and packable at just 3.2 oz (90g)
- UPF 25 sun protection
- OEKO-TEX, Woolmark, and Responsible Wool Standard certified
Size & Fit
One size fits most adults. The interlock knit construction provides gentle stretch to conform comfortably to your head and neck.
Care Instructions
Turn inside out and machine wash cold on gentle cycle with mild or wool-specific detergent like M33 Nikwax Wool Wash. Tumble dry on low heat. Store in an airtight container when not in use for extended periods. Never use fabric softener or bleach.
Complete Your Look
Pair with heavyweight base layers for a complete cold weather system built for the harshest conditions. Explore our full Merino Wool Collection from Minus 33, a 5th-generation New Hampshire family business with over a century of textile expertise.