For mountain marathon runners and committed alpinists who need to travel light, the Mythic Ultra 360 is a game changer.
Features
- Weight saving baffle construction, preventing down shift/migration
- Trapezoidal boxwall construction, to maximise loft and warmth
- Proportionally designed differential cut
- Anti snag bonded zip guard
- Ergonomically designed internal collar and hood
- Angled foot box for relaxed sleeping posture
- ½ length YKK® 3 coil main zip with noctilucent puller
- Lightweight dry bag compression stuff sack
Temperature Rating
- Comfort: -2°C
- Limit: -8°C
- Extreme: -27°C
- Rab Sleep Limit: -8°C
A closer look
Built from lightweight recycled 10D Atmosâ„¢, it uses Thermo Ionic Lining Technology (TILT) to coat the fibres with titanium, helping reflect radiant heat back towards your body without compromising the fabric’s breathability. While that reduces the amount of down required for a given level of warmth, the angles of the bag’s trapezoidal boxwall construction also improve the evenness of down distribution, eliminating cold spots.
Filled in the UK with 900FP down and weighing in at just 645g, the Mythic Ultra 360 provides one of the most efficient warmth-to-weight ratios available.
- Material:
– Outer: 10D Recycled Atmosâ„¢ (27gsm) with Fluorocarbon-Free DWR
– Lining: 10D Recycled Atmosâ„¢ (28gsm) with Thermo Ionic Lining Technology (TILT) - Insulation: 900FP European Goose Down with Fluorocarbon-Free Hydrophobic Finish
- Total weight: 706g
- Pack size: 36×18
- Length: Long
- Temperature rating:
– Rab Sleep Limit: -8°C
– Comfort: -2°C
– Comfort Limit: -8°C
– Extreme: -27°C


































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