frozen schlafsack Grüezi Bag Biopod Wool Survival Ice - Sleeping bag for harsh winter survival use - Rent a survival sleeping bag

frozen schlafsack Grüezi Bag Biopod Wool Survival Ice - Sleeping bag for harsh winter survival use - Rent a survival sleeping bagYour companion for frosty nights in nature Anyone who sleeps outdoors in sub zero temperatures needs more than just an ordinary winter sleeping bag. The Biopod Wool Survival Ice from Grezi bag is designed to reliably protect you even in icy cold, high humidity, and on uneven sleeping surfaces. Whether under the open sky, on boat trips, in the woods, or under a tarp this sleeping bag offers warmth, security, and comfort in a well thought out

Your companion for frosty nights in nature

Anyone who sleeps outdoors in sub-zero temperatures needs more than just an ordinary winter sleeping bag. The Biopod Wool Survival Ice from Grüezi bag is designed to reliably protect you even in icy cold, high humidity, and on uneven sleeping surfaces. Whether under the open sky, on boat trips, in the woods, or under a tarp – this sleeping bag offers warmth, security, and comfort in a well-thought-out combination. Especially in regions with high humidity or lots of insects, this sleeping bag demonstrates what sets it apart: It protects you not only from the cold but also from annoying crawling insects and mosquitoes – with an integrated mosquito net in the foot area and a clever 3D mosquito net on the hood.

Made for hunters, foresters, anglers and true outdoor survival fans

Whether you're sitting in a hunting blind during the colder months, spending nights in a high seat, on long expeditions in remote areas, or spending hours by damp water – this sleeping bag offers the warmth, quietness, and durability you need outdoors. Thanks to the resilient AlmWolle insulation, you'll stay dry and warm even in high humidity – even without a tent or in changeable weather conditions. The integrated mosquito nets protect against insects, and the compact pack size makes it easy to transport. For anyone who works outdoors or lives there, the Biopod Wool Survival Ice is a reliable partner for cold nights in the field, by the fire, by the water, or under a tarp.

Heat output even in damp weather – thanks to AlmWolle

What sets the Biopod Wool Survival Ice apart from many other winter sleeping bags is its high-quality insulation filling made of lavalan® Alpine wool , combined with high-performance synthetic fibers. This combination ensures you stay comfortable across a wide temperature range – without overheating or getting too cold. Wool acts like a natural air conditioner: it can absorb up to 30% of its own weight in moisture without losing its insulating properties. This keeps you warm even when it's damp, wet, or foggy outside.

The comfort of a bed – in the wilderness

The comfortable cut of the Biopod Wool Survival Ice sleeping bag allows you plenty of freedom of movement, whether you sleep on your back, side, or stomach. Thanks to the pre-shaped footbox , the softly padded thermal collar , and the pillow pocket, every night becomes a truly restful experience. Even longer trips become more comfortable because you can regenerate at night instead of shivering. A particularly clever feature: the integrated ventilation system lets you place your feet on top of the sleeping bag on warmer days – while simultaneously keeping insects out.

Designed for damp nights, wilderness and cold seasons

This sleeping bag is your first choice if you're traveling in regions with high humidity or during the colder months – from late autumn through winter and into spring. It's ideal for boat trips, trekking adventures in rainy areas, or winter camps in the mountains. Even in high humidity, the wool retains its shape, warmth, and breathability – a clear advantage over many synthetic or down sleeping bags.

Temperature scale according to EN standard

✅ T-Comf: -6 °C (Eddy's temperature recommendation for this model is -4 °C to -2 °C)
✅ Temperature limit: -12 °C (limit for experienced outdoor sleepers)
✅ T-Extreme: -33 °C (purely emergency range, not a comfort zone)

Note on temperature perception:
The temperature ratings are provided by the manufacturer and are standardized. In practice, however, they can vary – especially if you are exhausted, hungry, or wet. The quality of your sleeping mat also has a significant impact, as down compresses at the back and therefore provides less insulation. A good sleeping mat is therefore essential for a warm night.

Equipment and features in detail

✅ Insulation: 2-layer alpine wool filling + Synthdown (synthetic fiber) for maximum moisture transport
✅ Outer material: robust, recycled nylon (40 denier), water-repellent & breathable
✅ Inner material: recycled, soft polyester – pleasant on the skin
✅ Weight: approx. 2,800 g (without accessories), ideal for demanding winter tours
✅ Dimensions: 215 × 80 × 50 cm (suitable for heights up to approx. 188 cm)
✅ Packed dimensions: Ø 30 × 45 cm – compressed Ø 30 × 30 cm
✅ 3D mosquito net in the head area – with pop-up bars, removable
✅ Mosquito net ventilation in the foot area – perfect for humid, tropical regions
✅ 3D thermal collar for optimal seal around the neck
✅ Inside and outside pocket for valuables or headlamp
✅ Two-way autolock zipper with anti-snag technology
✅ Pillow pocket for fleece jacket or travel pillow
✅ Anti-slip strips on the underside – prevents slipping on the sleeping mat
✅ Zipper with cover strip to prevent cold spots
✅ Feature loops for attaching a heating element (not included)
✅ OEKO-TEX® STANDARD 100 certified – free from harmful substances & safe for health
✅ Includes: Sleeping bag, compression stuff sack, storage bag, mosquito net

AlmWolle – Nature meets performance

AlmWolle insulation is made from virgin wool from sheep in the Bavarian Alps and processed in Germany. This natural insulation offers a unique sleeping climate – it keeps you warm, regulates temperature and moisture, dries quickly, and prevents odors. Unlike many other types of insulation, AlmWolle remains effective even when damp. And best of all: it's biodegradable, renewable, and a true statement for sustainable outdoor adventures.

For adventurers who prefer natural materials

Whether wild camping, trekking tours, packrafting, or winter bivouacking – this wool sleeping bag is a versatile companion with a focus on robustness, hygiene, and natural sleeping comfort. If you want to sleep outdoors even in adverse conditions, but don't want to compromise on natural sleeping comfort and a well-thought-out design, the Biopod Wool Survival Ice is exactly the right choice for you.

Outdoor equipment for your adventure:
Tent | Sleeping bags | Sleeping mats | Backpacks | Outdoor clothing | Mountaineering equipment

Want to try it out before you decide? Then rent your outdoor gear from us and experience the comfort of this wool sleeping bag for yourself. If you're impressed with how it feels to sleep in, you can simply keep it – because with us, you can rent your outdoor gear and buy it later at an attractive price if you like it .