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The DownWool Ice 2.0 uses a hybrid insulation, combining 700+ fill power down with wool, with around 632g of fill. This approach addresses the known weaknesses of traditional down, which can lose performance in damp conditions and feel overly warm at times. The addition of wool helps manage moisture more effectively, maintaining insulation in humid environments and creating a more stable temperatu …

With DownWool 2.0, Grüezi Bag offers an even more powerful, sustainable insulation solution for demanding outdoor adventures. The improved insulation performance of DownWool 2.0 is achieved through an additional production step in which the wool acquires a finer structure and significantly more loft. This allows the wool to trap more air, thus increasing the insulation performance while maint …

Grüezi Sleeping Bags stands out with their innovative DownWool insulation that combines the excellent warmth and low weight of down with the moisture-wicking and temperature-regulating properties of wool. This patented blend allows the sleeping bag to maintain a comfortable microclimate, preventing you from getting too hot or too cold.

The natural high-end DownWool Insulation is a blend of 70% high-quality RDS-certified down, which provides high insulation, and 30% wool from the Alpine region, which acts like a lightweight natural air conditioner. The combination is perfect. Nothing insulates as well as high-quality down. The 30% wool content absorbs any moisture that arises and thus keeps the down naturally drier. Down has a ve …