Western Mountaineering MegaLite 30 Degree Sleeping Bag
Navy Blue
Navy Blue
Navy Blue
Navy Blue

Western Mountaineering MegaLite 30 Degree Sleeping Bag

Western Mountaineering MegaLite 30 Degree Sleeping Bag is rated 4.9 out of 5 by 28.
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4.8 Star Rating
4.8
$450.00 - $470.00

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Product Description Item No.   10079726

The Western Mountaineering MegaLite 30 Degree Sleeping Bag large cut sleeping bag for bigger folks or those seeking plenty of space. Have a fear of being closed in or perhaps a wide set of shoulders? This 850+ down fill sleeping bag has a 64" shoulder girth and 39" foot girth. Lay back and enjoy being wrapped in soft, fluffy down on nights down to 30°F. Even the cooler nights of summer can be appreciated thanks to the draft collar and tube. When it comes to weight, the bag comes in at 1lb, 8oz and stuffs into a 7"x13" sack, so you can definitely bring along that extra piece of gear you were questioning.

FEATURES of the Western Mountaineering MegaLite 30 Degree Sleeping Bag

  • Made with breathable, packable ExtremeLite™ shell fabric to keep weight to a minimum
  • Passive top collar extends from the zipper across the neck to seal in your body heat
  • 5 1/4" spacing/continuous baffles that go from zipper to zipper
  • Draft tube prevents cold air from disrupting your slumber
  • 12 oz down fill gives this bag a 4" loft
  • 64/39" shoulder/foot girth is cut to give larger folks a comfortable nights sleep
  • 850 fill power provides a high warmth to weight ratio and excellent compressibility
  • Full-length #5 YKK Zipper
  • 1 lb 8 oz Total Weight

- + Product Specifications
Gender: Mens
Features: Ultralight
Best Use: Camping, Ultralight Backpacking
Weight: 24 oz
Exact Temperature Rating: 30 Degrees Fahrenheit
Sleeping Bag Shape: Mummy
Bag Weight (Regular): 1 lb 8 oz
Bag Weight (Long): 1 lb 9 oz
Fill Details: 850+ Fill Down
Zipper Side: Right
Fill Weight (Regular): 12 oz
Fill Weight (Long): 13 oz
Max User Height (Regular): 6 Feet
Max User Height (Long): 6 ft 6 in.
Foot Circumference (Short): 39 in.
Shoulder Circumference (Regular): 64 in.
Hip Circumference (Regular): 55 in.
Shoulder Circumference (Long): 65 in.
Hip Circumference (Long): 56 in.
Ultralight: Yes
Disclaimer: We only ship this brand to US Addresses.
Insulation: Down
Temperature Rating: 21 - 30 Degrees Fahrenheit
Rated 5 out of 5 by from Excellent bag Excellent workmanship and materials and well worth the high price. I wanted a lightweight, comfortable bag that will last many years so I chose the best. I haven't pushed it to the lower temperature range yet, but it's plenty warm at 40 degrees and I'm confident it will work as well at 35 or lower.
Date published: 2018-05-13
Rated 5 out of 5 by from Very comfortable and roomy Took this out camping with my son on a scouting overnighter. Compresses down nicely to fit in the pack. Very comfortable- doesn’t feel constricted like a mummy. Overnight temps around 40 degrees F and I slept like a baby.
Date published: 2018-04-27
Rated 5 out of 5 by from Western mountaineering is the best Awesome bag. Very roomy and lightweight. Packs down small. Keeps me warm well below the rating. Top notch quality like all western mountaineering bags
Date published: 2018-04-16
Rated 5 out of 5 by from Light weight and very packable! I bought this bag to give bikepacking a try. I tested it in the backyard at 30 degrees. It was chilly but doable. First bikepacking event was awesome! Low of 40 degrees. Very comfortable. I love the light weight and compressibility of this bag!
Date published: 2018-03-05
Rated 5 out of 5 by from Best sleeping bag I ever had I bought WM MegaLite and tried it several times. I found it really comfortable sleeping. I just cannot say its durability because I used it just several times but it is light and small to bring with, and keeps you warm enough even in cold nights. I would recommend this sleeping bag to ultralight backpackers
Date published: 2018-01-27
Rated 4 out of 5 by from Almost my perfect 3 season bag In my opinion the bag was almost perfect. Zipper works like a dream. It has plenty of space. It packs down small and is super light. The reason I took off one star is because in my opinion, the baffles seemed under-filled. Some of the bigger baffles didn't seem to have enough down. I know it is designed to be able to move the down around to adjust the temperature and also because there is no need to have down under the body. This might be OK for a back sleeper, but I didn't feel I had enough down to go all the way around when I was sleeping on my side. In spots I felt like it was just the inner and outer shell even after I tried to adjust the down properly. Western mountaineering will overfill a bag for a price. So that is what I did. I had my bag overfilled. So after spending more money on an already expensive sleeping bag, I now have the perfect bag. All the baffles now have plenty of down. It lofts really well and feels so comfortable and warm. From what I could tell from the weight after the overfill, I had over 3 ounces of down added. I now love the bag. It is everything I hoped it would be. I just have to avoid thinking about how many money I spent on it.
Date published: 2018-01-17
Rated 5 out of 5 by from Awesome bag! I bought this bag to replace an EE 20 deg quilt which I froze at 30 Deg. I've taken this WM bag to 30 deg and remained toasty. Great investment!
Date published: 2017-10-21
Rated 5 out of 5 by from Kept me warm at 27 degrees I used this bag for the first time last weekend on the North Country Trail near Hodenpyl Dam. The low temperature Friday night was 26.8 degrees. With a thin liner I was warm even though I get cold at night easily. The zipper works fine. The draft tube is made of a stiffer material which keeps the zipper from catching. It compacts almost as much as my old down bag, but I would have been freezing last weekend in my old bag.
Date published: 2017-04-24
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- + Size Guide

Sleeping Bags Size Comparison Charts

EXtremeLite Series Bags
Model Shape Size Shoulder Girth Hip Girth Foot Girth
MityLite Semi Rectangular 6' 3" 62" 59" 46"
HighLite Mummy Box Stitched 5' 6" 59" 51" 38"
6' 0" 59" 51" 38"
6' 6" 60" 52" 38"
SummerLite Mummy 5' 6" 59" 51" 38"
6' 0" 59" 51" 38"
6' 6" 60" 52" 38"
Tamarak Semi Rectangular 5' 0" n/a 58" 33"
MegaLite Mummy with Top Collar 5' 6" 63" 56" 39"
6' 0" 64" 55" 39"
6' 6" 65" 56" 39"
UltraLite Mummy with Full Collar 5' 6" 59" 51" 38"
6' 0" 59" 51" 38"
6' 6" 60" 52" 38"
AlpinLite Mummy with Full Collar 5' 6" 63" 56" 39"
6' 0" 64" 55" 39"
6' 6" 65" 56" 39"
VersaLite Mummy with Full Collar 5' 6" 62" 53" 39"
6' 0" 62" 53" 39"
6' 6" 63" 54" 39"
Microfiber Series Bags
Model Shape Size Shoulder Girth Hip Girth Foot Girth
Caribou MF Mummy Box Stitched 5' 6" 63" 56" 39"
6' 0" 64" 55" 39"
6' 6" 65" 56" 39"
Alder MF Semi Rectangular 6' 0" 62" 59" 46"
6' 6" 62" 59" 46"
Sycamore MF Semi Rectangular 6' 0" 62" 59" 46"
6' 6" 62" 59" 46"
Ponderosa MF Semi Rectangular 6' 0" 67" 64" 48"
6' 6" 67" 64" 48"
7' 0" 67" 64" 48"
Apache MF Mummy with Full Collar 5' 6" 59" 51" 38"
6' 0" 59" 51" 38"
6' 6" 60" 51" 38"
Badger MF Mummy with Full Collar 6' 0" 66" 57" 41"
6' 6" 67" 58" 41"
7' 0" 67" 58" 41"
Antelope MF Mummy with Full Collar 5' 6" 62" 53" 39"
6' 0" 62" 53" 39"
6' 6" 63" 54" 39"
Sequoia MF Semi Rectangular with Full Collar 6' 0" 66" 61" 48"
6' 6" 66" 61" 48"
Kodiak MF Mummy with Full Collar 6' 0" 66" 57" 41"
6' 6" 67" 58" 41"
7' 0" 67" 58" 41"
Bristlecone MF Semi Rectangular with Full Collar 6' 0" 69" 61" 48"
6' 6" 69" 61" 48"
Lynx MF Mummy with Full Collar 5' 6" 61" 54" 39"
6' 0" 62" 54" 39"
6' 6" 63" 55" 39"
Puma MF Mummy with Full Collar 5' 6" 62" 55" 39"
6' 0" 64" 56" 39"
6' 6" 66" 57" 39"
Gore Windstopper Series Bags
Model Shape Size Shoulder Girth Hip Girth Foot Girth
Apache GWS Mummy with Full Collar 5' 6" 59" 51" 38"
6' 0" 59" 51" 38"
6' 6" 60" 52" 38"
Badger GWS Mummy with Full Collar 6' 0" 66" 57" 41"
6' 6" 67" 58" 41"
7' 0" 67" 58" 41"
Antelope GWS Mummy with Full Collar 5' 6" 62" 53" 39"
6' 0" 62" 53" 39"
6' 6" 63" 54" 39"
Sequoia GWS Semi Rectangular with Full Collar 6' 0" 66" 61" 48"
6' 6" 66" 61" 48"
Kodiak GWS Mummy with Full Collar 6' 0" 66" 57" 41"
6' 6" 67" 58" 41"
7' 0" 67" 58" 41"
Lynx GWS Mummy with Full Collar 5' 6" 61" 54" 39"
6' 0" 62" 54" 39"
6' 6" 63" 55" 39"
Puma GWS Mummy with Full Collar 5' 6" 62" 55" 39"
6' 0" 64" 56" 39"
6' 6" 66" 57" 39"
Bison GWS Mummy with Full Collar 6' 0" 64" 55" 39"
6' 6" 64" 55" 39"

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