Teton Sports LEEF Ultralight Mummy Sleeping Bag; Lightweight Mummy Bag Perfect for Backpacking, Hiking, and Camping; 3-4 Season Sleeping Bag; Compression Sack Included

4 out of 5
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  • Reviews (3)


The TETON Sports LEEF Ultralight Mummy Sleeping Bag is designed for your comfort. It’s filled with multiple layers of microfiber PolarLite insulation to keep you warm. Body mapping technology provides extra fill in specific areas so you sleep comfortably. The built-out foot box is more…

3 reviews for "Teton Sports LEEF Ultralight Mummy Sleeping Bag; Lightweight Mummy Bag Perfect for Backpacking, Hiking, and Camping; 3-4 Season Sleeping Bag; Compression Sack Included"

  1. :

    So my last budget sleeping bag purchase didn’t perform to standards at all, so despite researching many bags before settling on this one, I was nervous. I bought the 0f bag figuring it can cover what my old bag wouldn’t. My old bag was a 20f, but it was incapable of keeping me warm at 40f, I had to use a fleece liner and down blanket to keep warm.So first of all, incase you are unfamiliar, sleeping bags in this price range are not rated for comfort temperature, they are rated for survival temperature. You should expect to be comfortable at about 20f above the rating if you dress in cold weather sleeping attire and insulate yourself from the ground.So for reference, I am 6’2″ 220lb and wear large shirts and pants, size 13 feet. I found the dimensions of the bag to be perfect for me. It is 2″ larger in every dimension from my old bag, and the footbox is adequate.For my test, I slept out in a lean-to tarp shelter with an overnight low of 22f. I laid out a space blanket and a 4.4R inflatable pad for ground insulation. I’m not really a back sleeper, so I had some concerns about the “body mapping” insulation not being there on the bottom. My concerns were alleviated, I turned half the night like a convenience store hotdog like I usually do, and found no cold spots. Getting back in after a late night pee is always chilly, but lift the insulation and blow down to your feet a few times, your hot breath warms the bag back up in seconds.The zipper is about on par with everything else I have. It’s strong and not prone to getting off track, but has a tendency to snag when zipping up from the inside. I have yet to see a bag that doesn’t… The Velcro flap at the top stops it from coming open under tension, but I found I liked having the top few inches of zipper undone so I could move my arms.Lastly, the materials. The outer shell does a good job of blocking wind and moisture, and seems pretty durable compared to other bags I’ve had. The inner fabric is soft, but doesn’t snag like flannel. It feels like microfiber bedsheets, which I use at home. And the insulation, the loft is impressive. For the first time, I was actually amazed I got a bag back into it’s stuff sack. I put the footbox in the sack, and it’s full… Yet, you can actually keep stuffing and get the whole thing in there.Now a note on the sack, I’d give it 3 stars if I could rate it separately. It does it’s job fine so far, but for some reason they felt compelled to sew a band around the lower part of the sack about 3″ above the bottom seam. This is the point the compression straps are sewn to, rather than looping under the bottom. This concerns me that it may burst that seam over time. It doesn’t even look like they saved any material in the process, it’s just plain stupid.Overall, extremely pleased with my purchase.

  2. :

    I’ve slept in this on a few camping/backpacking trips so far, and I can definitely say that I like this bag a lot. It is pretty lightweight and fairly compact, although some more expensive bags are a bit lighter and more compact. This fits in the bottom of my backpacking rig (Baltoro 65), although just barely. As for the temperature rating of 20F, I’d say that it is pretty accurate. It will also give a little bit of resistance to wind, but don’t count on this blocking all wind – I don’t think many, if any, will do that.The shape and design of this bag was thought out very well. I’m 6’0″, 170lbs and I fit comfortably inside. There’s enough shoulder room, the hood part fits over my head nicely, and the bag holds heat well.The only minor complains I have are with the zipper – it feels like that might be the first thing to fail. It isn’t enough to subtract a star, however – as long as you’re careful with it it should last a while.If you’re on this page and reading this review, I’ll assume you are looking for a lightweight, compact semi-cold weather bag. Unless you really need something super light, super compact, or in a different temperature range, I’d highly recommend this bag.

  3. :

    Used this on a motorcycle trip in late Sept, camping out in the mountains of OR, CA and WA. Woke to temps in the 20s on several occasions but was never once cold in that bag.I’m 6’2″, 200 lbs and the bag was roomy, the zipper never snagged and the liner is very comfortable.The only ding is that I wish it would compress a bit more, but considering the comfort and quality for the price, I’m very pleased.

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