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Packshot front image of norrona lightweight 20D Windsack 4/2 Hot Sapphire
Packshot front image of norrona lightweight 20D Windsack 4/2 Hot Sapphire
Unisex

norrøna lightweight 20D Windsack 4/2


Color Hot Sapphire


Size


Free shipping above 225 CAD.  Free returns.  5 years warranty. 

Lightweight, durable and water-resistant windsack.

The lightweight 20D windsack is a mountaineering essential designed to help you battle on when harsh conditions hit or taking a short break comfortably.




Product reviews

Rated
4.6
4 reviews
(3)
(0)
(1)
(0)
(0)
Average fit from users
SmallPerfectLarge
Use by reviewer
  • Ski/Snowboard(3)
  • Outdoor/Hiking(2)
  • Mountaineering(1)
Review Summary
Updated October 12, 2026

The Norrøna Lightweight 20D Windsack 4/2 is a highly portable and effective emergency shelter, primarily recommended for ski touring and other mountain activities where quick protection from the elements is crucial. Its standout features include its extremely lightweight and small packed size, making it an ideal addition to any backcountry kit. Reviewers consistently praise its ability to provide warmth and shelter from wind and snow, with one user describing it as "like a tent" during a snowy break. It's also noted for its capacity to comfortably fit two people, allowing for a warm and sheltered break to eat or regroup. The windsack can be supported by ski poles, further enhancing its versatility in mountain environments.

While its simplicity is a key aspect of its lightweight design, one reviewer found it "too simple," desiring more attachment points and functions. This suggests that users seeking a multi-functional or highly customizable shelter might find it lacking. However, for its core purpose of providing immediate and effective protection, its basic design is a strength.

Common use-cases highlighted in the reviews include taking breaks during ski touring (the most frequently mentioned activity), seeking shelter from wind in the mountains, and even utilizing solar gain for heating in cold, sunny conditions.

Fit and comfort are described as "big and comfy for two," allowing users to warm up and enjoy a meal inside.

In conclusion, the Norrøna Lightweight 20D Windsack 4/2 is highly recommended for ski tourers, mountaineers, and anyone venturing into exposed, cold, or windy environments who prioritizes a lightweight, compact, and effective emergency shelter. It's perfect for those who value simplicity and quick deployment over extensive features, and who need a reliable way to take a warm and protected break in challenging conditions.

16 DAYS AGO
Light and handy  
5
Not applVestlandOutdoor experience: Advanced
Had this for a couple of months. Have seen active use already and the product does well as it is designed for.
Yes, I recommend this product
9 MONTHS AGO
Very simple, not enough attachment points  
3
Jor295KielOutdoor experience: Intermediate
This Windsack is very Basic, light and easy to use. For me it’s too simple, I like more attachment points and functions
Activities: Hiking, Ski touring
No, I don't recommend this product
2 YEARS AGO
Lightweight and good fit for two!  
5
Norway, SaudaOutdoor experience: Intermediate
Love it! Extremely lightweight and small when packed. Used it when it was snowing, like a tent. Used our ski poles for support. Got all warmed up, and ate our pre-packed meal. Big and comfy for two. Also genious in cold weather, when the sun is shining, for heating. And ofcourse a good shelter against wind.
Activities: Ski touring, General outdoor, Hiking, Ski/Snowboard
Yes, I recommend this product
4 YEARS AGO
Solid  
5
Oslo, NorwayOutdoor experience: Intermediate
Did well when at the mountains and the wind came. Great to take a break in it
Activities: General outdoor, Mountaineering
Yes, I recommend this product

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