Sleeping Bag Buying Guide: How to Choose the Right One for Camping
ALPS Mountaineering Zenith 0 Sleeping Bag
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Keep warmth, comfort and weight savings at the top of your priority list—take the ALPS Mountaineering Zenith 0° down-filled sleeping bag on your next backpacking adventure.
Shop newer versionKey Details
Fill
Hydrophobic down
Weight
3 lbs. 3 oz.
Temperature Rating (F)
0 degrees (F)
- 600-fill-power hydrophobic down
- Design features a contoured hood and mummy shape which help seal in warmth
- Insulated chest and zipper baffle add heat retention to keep the warmth in and the cold night air out
- #8 separating zippers
- 20-denier nylon outer fabric and liner
- Included compression stuff sack allows this lightweight down bag to compress smaller than other bags so you will have plenty of room in your pack for other gear and essentials
Imported.
View all ALPS Mountaineering Camping Sleeping Bags| Best Use | Camping |
|---|---|
| Temperature Rating (F) | 0 degrees (F) |
| Temperature Rating (C) | -17 degrees (C) |
| Weight | 3 lbs. 3 oz. |
| Ultralight | Yes |
| Shell | 20-denier nylon |
| Zipper Location | Right |
| Insulation Type | Down |
| Water-Resistant Down | Yes |
| Fill | Hydrophobic down |
| Fill Weight | 2 lbs. 0.7 oz. |
| Sleeping Capacity | 1-person |
| Lining | 20-denier nylon |
| Sleeping Bag Shape | Mummy |
| Fits Up To (in.) | 80 inches |
| Stuff Sack Size | 8.5 x 12 inches |
| Gender | Unisex |
Buying Advice
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Customer Images
Ben
Colorado
Great warmth to weight ratio for the price
7 months ago
I bought this for a two day trip in Colorado Rockies in March. Temps dropped to 10 degrees. I had the bag on a nemo tensor extreme pad and was able to get myself comfortable in the bag by also wearing a base layer, fleece pants and light down jacket, neck gaiter over my face and beanie. This bag is definitely warmer than my 20 deg cosmic down sleeping bag, but not as warm as other zero degree bags on the market. I couldn't find any information on the website on how alps mountaineering temperature rates their bags, so I emailed customer service. I got a reply within a day stating all their temperature ratings are based on iso testing at kansas state university and that the rating is based on the survivability rating with a "buffer". The ISO testing reports three numbers, survivability, lower, and comfort temperature. Each of these temps seem to usually be between 10 to 15 deg Fahrenheit apart. Most sleeping bag companies report the lower limit for their bags. From what I can tell then, this is a 5 to 10 deg bag when comparing it to other bags that report the lower limit. I reccomend using a liner, and oerhaps bivy and or quilt over the bag if you expect temps to drop below 10 deg. Overall I am impressed with the bag and the quality and quantity of down insulation. The bag has great draft tube's with lots of down blocking drafts through the zipper. Their is also a draft collar on the top side of the bag. I wish it went all the way around and cinched, but it seemed to help separate the air to prevent moisture in the bag. I also wish there was a stash pocked to place items in so tbey are not moving around the bag. I really like the hood as it has large amount of insulation and the cinch cord style is great. Overall, seems to be a great bag!
Age:35–44
Grassydiego
NC
Massive upgrade for service members
6 months ago
This sleeping bag is insane for the price, size, and what it’s rated for. It’s a massive upgrade from the standard military issue sleeping bag that is roughly 9lbs with a stuff sack compared to the 2 1/2Lbs this bag comes out to once compressed to it’s smallest size which is half the size of the USGI sleep system and roughly about the size of a cantaloupe.
Age:25–34
Yes , I recommend this product
Tanner
Nice bag for a nice price
5 months ago
Nice light weight down bag for the price. I haven't used it in temperatures at or below the rating but in the low 20's I was more than comfortable with just a base layer. The only downside is the long is just a tad to short for my 6'-4" self if I need to use the hood. I can lay out flat with the hood up but it crams my feet against the bottom of the bag and they'll eventually get cold. Other than that I love it and hopefully it'll last me many years.
Yes , I recommend this product