MegaLite - Navy

$530.00 - $560.00
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Ultralight wide-cut mummy bag; 30° F

If you are claustrophobic or just need a little more room than the average backpacker, it can be very hard to find an ultralight sleeping bag that isn't shaped like a sarcophagus. With that in mind, Western Mountaineering designed the MegaLite, a wide mummy sleeping bag that offers room to move but retains a heat-efficient silhouette; a generous 64 inches of shoulder girth lets the larger folks enjoy the weight and volume savings of the ExtremeLite series. Continuous baffles allow you to regulate the temperature of the bag by shifting the down on top of you in colder temps or underneath you when things warm up. A full-length zipper, passive draft collar, and insulated draft tube round out the features on this popular bag.

Like all of Western Mountaineering's bags, the MegaLite is made by hand in San Jose, California. Their down is sourced from free-range mother geese who are never live-plucked or force-fed.


Brand Name:
Western Mountaineering
Temp Rating:
30º F
Seasonal Usage:
Three Season
Temp Rating Celsius:
-1° C
Bag Style:
Fill Weight:
Short: 11 oz / Reg: 12 oz / Long:13 oz
Bag Loft:
4 inches
Navy Blue
850+ fill goose down
Short: 1 lb 7 oz / Reg: 1 lb 8 oz / Long: 1 lb 9 oz
Bag Length:
Short: 5 ft 6 in / Reg: 6 ft / Long: 6 ft 6 in
Circumference at Chest:
Short: 63 in / Reg: 64 in / Long: 65 in
Circumference at Hips:
Short: 56 in / Reg: 55 in / Long: 56 in
Circumference at Foot:
Short: 39 in / Reg: 39 in / Long: 39 in
Made In:
Bag Shell Material:
0.9 oz ExtremeLite™ proprietary fabric: extremely high thread count and ultra-lightweight
Bag Stuff Size:
Short: 6 x 12 in / Reg & Long: 7 x 13 in
Other Features:
5.25 inch continuous baffles allow you to regulate the temperature of the bag by shifting down underneath or on top of you
Down-filled full-length draft tube seals in heat along the zipper
ExtremeLite™ fabric: No other shell fabric is this light or packed with so many threads per inch
Full-length YKK #5 double pull zipper
Stiffening tape along zipper to prevent snags
Please note, special care should be taken to avoid abrading the shell fabric; it is designed to be ultralight and super-compressible. Treat it right and your MegaLite will provide years of use!

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