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ZPacks Sleeping Bag 40* and 20*

in Sleeping Bags - Mummy & Other

Average Rating
5.00 / 5 (1 reviews)

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Stephen Barber
( grampa )

ZPacks Sleeping Bag 40* and 20* on 07/25/2012 21:25:24 MDT Report Post Print

Rating: 5 / 5

This is the side sleepers dream bag!

The bags are filled with 900 fill power goose down, outer shell is green .95 oz/sq yd Pertex Quantum ripstop nylon, and the liner is black .67 oz/sq yd nylon. The bag comes with a cuben dry bag for a stuff sack.

Joe lists the zipper as being on the back, under a back sleeper, but I consider it to be on the front, running from my chin through my navel. I am a confirmed side sleeper, and most bags have the zipper on one side, which means I'm either laying on it (uncomfortable), or it's on the top leaking warmth. I asked Joe to put two draft tubes on mine, which do a great job of sealing the zipper from either side.

The bag does not have a draft collar; instead it just cinches down with a thin bungie. The toggle for this is at the back of the neck, as I use it. This was a minor problem to tighten or loosen it, but I usually just leave it at the same level of snugness, so there wasn't any real problem. With the separate down hood (see below) there was no perceptible warm air leakage.

I've observed that while sleeping on my side, I'm usually in a semi-fetal position. This seems to eat both bag length and width, so while I am 5' 10", I choose a wide&long model, which was ideal.

The bag does not have a hood. Instead Joe offers a down hood in the same fabrics and fill as the bags. I really like this arrangement! In every hooded bag, I seem to end up with my face in the hood, breathing through the nylon and down - not good! Now the hood always turns with me, even when I rotate inside the bag (doesn't happen very often, but it's irritating when it does).Even with my large head (7 1/2), the hood slips on and off easily, though never accidentally. It also has a cord to tighten it around the face.

Finally, while this is technically a bag (the zipper thing), it's easily unzipped to function as a quilt. Yes, the hood still works!

I have a 40* bag, and a slightly overfilled 20* bag - I think of it as a 15* bag. I've had the 40* bag out in 40* nights and slept toasty warm. It's perfect for summer hikes in the Sierra - a down sweater would take it down another 10* easily, if needed. I haven't tested the 15* bag to its limits, but I have no worries about it.

I am very happy with these bags, and expect to be using them for years to come.

Edited by grampa on 07/25/2012 21:29:16 MDT.

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