Western Mountaineering Flylite 34 Sleeping Bag
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I'm a BIG Western Mountaineering fan, but the FlyLite is like a warm "sleeping sock", I returned it!

by Tim L, Verified Owner from NJ, United States Written on July 4, 2021
For reference, I'm 6'-1" with an athletic build, 210 lbs, 46in chest, 36" waist, and I normally wear a LG or XL depending on the manufacturer. I am a side sleeper, and toss around as I've gotten older. I prefer sleeping bags over quilts, but I own and use quilts from time to time. My first sleeping bag was a gift for my 13th birthday, and since then I have added 6 more WM bags to my gear closet (VersaLite, Antelope GWS, MegaLite, EverLite, Sequoia, and AstraLite quilt). In the last 30 years, have backpacked thousands of miles all over the world and spend an average of 40 nights a year in a WM sleeping bag. Needless to say, I'm very familiar with WM and their best-in-class products, exceptional design, high quality material selections and craftsmanship.

On to the FlyLite. First, the expected, normal, and usual PROs for everything Western Mountaineering (sounds boring, right?) are all present in this sleeping bag, and I can say that without spending 1 night in it. I was excited for the 36F deg rating at the ultralight weight of 14.75oz at a 6'-6" length, and since my experience proves the rumor that WM rates their bags conservatively, I had no doubt I would be comfortable down to 30F.

One of the typical cons (according to some), is the hefty price tag attached to each WM product. Since I'm from the school of "buy once, cry once", I don't mind spending more for best-in-class products. I gave the FlyLite 3-Stars, so why doesn't it work for me? The SHORT zipper length ...
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Pros:
  • Best in class quality, craftsmanship, and materials
  • Exceptionally low weight for a 36F deg sleeping bag at 6'-6" long
Cons:
  • Short zipper length makes getting in and out awkward
  • No way to ventilate without getting out of the bag
  • Lacks versatility
Best Used for:
  • UL/LW backpacking, bikepacking
Would recommend: Yes
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