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5'6" 30 F 4 in 63 in 56 in 39 in
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6'6" 30 F 4 in 65 in 56 in 39 in

Western Mountaineering MegaLite Sleeping Bag



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The Western Mountaineering MegaLite is cut to suit large folks so they, too, can enjoy the benefits of the ExtremeLite™ sleeping bags. No claustrophobia here with 64’’of shoulder girth. 12 ounces of goose down provides warmth and continuous baffles allow you to adjust the fill to suit a wide range of temperatures.

  • ExtremeLite™ Ripstop Nylon, sourced for its high thread count, weighs just 0.9 oz per square foot and offers exceptional compressibility
  • Enjoy easy ventilation with a full-length #5 YKK Coil Zipper featuring two locking slider pulls for convenient access from inside or outside
  • Dacron® stiffening tape ensures smooth zipping and prevents snags
  • Insulated Draft Tube keeps heat from escaping through the zipper
  • Top collar extends from the from the zipper across the neck to keep warm air from escaping through through the neck
  • 4'' loft provides luxurious warmth, enjoy the comfort of 850+ goose down fill
  • 5 ¼'' spaced baffles allow maximum loft while preventing down migration
  • Continuous Baffles encircle the bag zipper to zipper allowing down manipulation for comfort in broad temperature ranges
  • DWR finish keeps moisture at bay even after multiple washings
  • 64''/39'' Shoulder/Foot girth
  • Stuff sack and large volume storage sack included
  • Proudly made in the USA
Shell fabric ExtremeLite™ 20D Ripstop Nylon, 380 thread count
Insulation type Down
Insulation material 850+ Fill Power Goose Down
Gender Unisex
Shape Mummy
Seasons 2
Stuff sack size 7 x 13 in (18 x 33 cm)
Temperature rating 30° F (-2° C)
Fill weight 12 oz (340 g) - Regular
Weight 1 lb 8 oz (710 g) - Regular

"Very good sleeping bag"

Yes, I would recommend this product.

It is a great sleeping bag! It is very light and warm. The quality is exceptional! Yes, it is expensive but you pay money for very good quality.


Yes, I would recommend this product.

I hesitated because of the cost, is so worth it. Slept great, roomy and lofty. Temps to 35 low in Glacier National Park, very comfortable.
Western a great investment.