Light, warm and great value – the down sleeping bag for chilly nights around freezing.
The AegisMax M3 is a fully enclosed mummy sleeping bag built to handle a wide range of conditions, from mountain hikes to cold nights at high altitude. With a comfort temperature of 0 °C and a weight from just 840 g, it strikes a great balance between warmth and weight – leaving more room in your pack for everything else.
Why choose the M3
- Comfort temperature 0 °C (EN 13537)
- ULTRA DRY® 700FP white goose down – 500 g down fill (M) / 550 g (L)
- Low weight – 840 g (M) / 920 g (L)
- Packs small – approx. 15 × 25 cm (M) / 18 × 25 cm (L) in the compression bag
- Mummy shape with full lining construction – wraps closely around your body so the warmth stays in
- iFlex® 20D ultralight DWR nylon – water-repellent shell and iFlex® 20D special lining
- YKK 5# two-way zipper
- Two lengths – M for users up to 176 cm, L for up to 196 cm
- Compression bag and storage bag included
Specs: M 200 × 80 cm, total weight approx. 880 g · L 220 × 86 cm, total weight approx. 970 g
Temperature ratings according to EN 13537 apply to a "standard man/woman". How we experience warmth and cold is highly individual.

Size chart:
| M3 | M | L |
|---|---|---|
| Recommended user height (CM) | 176 | 196 |
| Sleeping bag size(CM) | 200 X 80 | 220 X 86 |
| Compression bag size (CM) | 15×35 | 18×40 |
| After compression size(CM) | 15×25 | 18×25 |
| Filling weight (G) | 500 | 550 |
| Sleeping bag weight(G) | 840 | 920 |
| Total weight (G) | ca. 880 | ca. 970 |
| Chest Inner circumference(CM) | 154 | 162 |
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