How to Choose Sleeping Bags for Backpacking

For alpine traverses, expeditions in severe conditions and travels in the coldest temps, the Mountain Hardwear Phantom WINDSTOPPER -40F/-40C sleeping bag is light and warm with 800-fill-power down.
Imported.
View all Mountain Hardwear Backpacking Sleeping BagsBest Use | Mountaineering Backpacking |
---|---|
Temperature Rating (F) | -40 degrees (F) |
Temperature Rating (C) | -40 degrees (C) |
Weight | Regular - Left Zip: 4 lbs. 8.4 oz. Long - Left Zip: 4 lbs. 11.3 oz. |
Ultralight | Yes |
Shell | GORE WINDSTOPPER 30-denier 2-layer nylon ripstop 57 g/m2 |
Zipper Location | Left |
Insulation Type | Down |
Fill | 800-fill-power RDS-certified goose down (fluorine free) |
Fill Weight | Regular - Left Zip: 2 lbs. 15.5 oz. Long - Left Zip: 3 lbs. 1.1 oz. |
Sleeping Capacity | 1-person |
Lining | 15-denier nylon ripstop 34 g/m2 |
Sleeping Bag Shape | Mummy |
Fits Up To (in.) | Regular - Left Zip: 72 inches Long - Left Zip: 78 inches |
Shoulder Girth (in.) | 66 inches |
Hip Girth (in.) | 62 inches |
Stuff Sack Size | 11 x 20 inches |
Stuff Sack Volume | 31.1 liters |
Compressed Volume | Regular - Left Zip: 15.4 liters Long - Left Zip: 16 liters |
Gender | Unisex |
Sustainability | Down certified to the Responsible Down Standard (RDS) |
Adding a review will require a valid email for verification
I bought this bag for extreme winter camping here in Alaska, and will be using it in all of our winter camping videos on our YouTube channel (Alaskan Nomads). Amazing bag! I first bought the North Face Inferno -40C bag and ended up returning it after how easily the zipper snagged. I’m happy to say that the zipper on this bag barely snags at all. The GoreTex shell is another feature that is really nice, and makes a big difference in keeping the bag dry and retaining full loft. I went with the long version. I’m 6ft 2in tall and 260 lbs, and I have plenty of room to move around and even roll over in the bag when fully zipped up. Believe it or not, in don’t feel claustrophobic in this bag, which says a lot because I traditionally don’t enjoy mummy bags. This is by far the nicest, warmest, and most comfortable bag I have ever owned and I’m extremely happy that I bought it.
My go-to sleeping bag on my recent 8000m expedition to Kangchenjunga. I’m 6'2", 185 lbs, and the long size fit me perfectly with plenty of room to move around. The bag is exceptionally durable and incredibly warm with its 800 fill goose down. The real game changer was the GORE-TEX WINDSTOPPER shell. With condensation inside the tent and occasional water drips, the bag stayed completely dry. Despite its warmth, it compresses down well, making it easy to pack for higher camps. This is without a doubt one of the best expedition sleeping bags available.