Mythic 400 Sleeping Bag: 20F Down
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Why We Like The Mythic 400 Sleeping Bag
Cutting weight for the climb is essential, but then again, so is staying warm in the dead of night. Thankfully, Rab eliminated this dilemma with the Mythic 400 Sleeping Bag. This bag's 7-denier ripstop and 900-fill down maximizes its durability and heat-retention without making us haul too much weight into the wilderness.
Details
- Ultra-light sleeping bag for fast-and-light treks and alpine trips
- Atmos ripstop sheds weight without sacrificing durability
- 900-fill insulation is hydrophobic, toasty warm, and amazingly light
- Goose down certified to the Responsible Down Standard
- Chevron baffles and trapezoidal walls prevent migration and hold heat
- Item #RABZ0HJ
- Responsible Collection
- Responsibly Sourced
- Material
- 7D Atmos 100% nylon ripstop, DWR coating
- Insulation
- 900-fill goose down (RDS-certified), Nikwax (FC-free hydrophobic coating)
- Shape
- tapered mummy
- Zipper
- 3/4-length
- Max User Height
- 6ft 0.8in
- Shoulder Circumference
- 63in
- Hip Circumference
- 52.8in
- Foot Circumference
- 40.2in
- Bag Length
- 84.6in
- Draft Tube
- adjustable
- Pockets
- [internal] 1 zippered
- Pad Retainer
- none
- Fill Weight
- 400g (14.1oz)
- Degree
- 20F
- European Norm/ISO Comfort Rating
- 30F
- European Norm/ISO Lower Limit Rating
- -11F
- Storage Sack
- cotton, zippered
- Stuff Sack
- waterproof, roll-top
- Stuff Size
- 13.8 x 9.1in
- Claimed Weight
- 1lb 7.3oz
- Activity
- backpacking, mountaineering
- Manufacturer Warranty
- lifetime
Reviews
Q&A
What do you think about this product?
Overall Rating
4.5 based on 4 ratings
Review Summary
Fits True To Size
Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.View
Selecting an option will reload the available reviews on the pageSeptember 30, 2024
Not recommended
- Familiarity:
- I've used it once or twice and have initial impressions
- Size Bought:
- Reg
- Height:
- 5' 6"
- Weight:
- 130
While the sleeping bag is light and does pack up small, this bag doesn’t carry its weight. The fill is light and there are a lot of air pockets in the bag. After just 11 days of use and sleeping on a pad the whole time, there were many holes on the interior of the bag with a lot of feathers leaking out. On our trip temperatures didn’t even approach freezing and layers were needed.
April 23, 2023
My favourite piece of Rab gear
It's so light packs so small but still so warm for it's weight. It has been a game changer for me helping reducing packing size and weight which is crucial on technical terrain. I bought also the 600 since I loved it so much but still this is the one I use most since I tend to run hot. Great build quality and the best down quality I've tested by far.
Originally reviewed on Rab
April 13, 2022
Unbelievably light and warm bag
Been using it this Scottish winter snd in a tent it’s good for all but the coldest trips. Mine comes in at 680 grams on the scales and packs down nice and small. There is a decent amount of room, I was worried it might be more restrictive. Really high quality down and lovely liner and outer material. Very happy.
Originally reviewed on Rab
March 8, 2022
Just tried my new Mythic
Just tried my new Mythic 400 bag out; The forecast said 0 degree feels like -2. Certainly felt icy outside my tent. Inside the sleeping bag I was very comfortable. (The mat beneath me was a thermarest extherm). (I am 182cm tall, regular size bag)
Originally reviewed on Rab
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