Western Mountaineering MegaLite 30°F Down Sleeping Bag
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- Backordered, shipping soon
The Western Mountaineering MegaLite is a 30°F (-1°C) down sleeping bag for warm-weather and three-season backpacking. In the 6'0" size it weighs 1 lb 8 oz, holds 12 oz of 850+ fill power goose down, and packs to 7"x13". It is made in the USA.
Western Mountaineering MegaLite specs
| Spec | 5'6" | 6'0" | 6'6" |
|---|---|---|---|
| Total weight | 1 lb 7 oz | 1 lb 8 oz | 1 lb 9 oz |
| Down fill weight | 11 oz | 12 oz | 13 oz |
| Inside girth, shoulder / hip / foot | [TODO: not listed by WM] | 64" / 56" / 39" | 65" / 56" / 39" |
| Stuff size | 6"x12" | 7"x13" | 7"x13" |
| Temperature rating | 30°F / -1°C (Western Mountaineering rating) |
|---|---|
| Shape | Mummy (w/ top collar) |
| Insulation | 850+ fill power goose down |
| Loft | 4" |
| Shell fabric | 12D nylon ripstop |
| Made in | USA |
Sizes and zipper sides in stock vary. Pick yours in the options above, and call or message the store if you do not see the one you need.
How to choose your size
Mummy (w/ top collar) cut: check the specs table above for each size. At 6'0" the bag measures 64" / 56" / 39" (shoulder / hip / foot). Western Mountaineering also has a sleeping bag selection guide.
MegaLite vs. other Western Mountaineering bags (6'0" size)
| Bag | Rating | Total weight | Down fill | Loft | Packs to | Best for |
|---|---|---|---|---|---|---|
| HighLite | 35°F / 2°C | 16 oz | 8 oz | 3.5" | 6"x12" | ultralight backpacking on warm nights |
| SummerLite | 32°F / 0°C | 1 lb 3 oz | 9 oz | 4" | 6"x12" | long-distance hiking and bikepacking in warm weather |
| MegaLite | 30°F / -1°C | 1 lb 8 oz | 12 oz | 4" | 7"x13" | warm-weather and three-season backpacking |
| TerraLite | 25°F / -4°C | 1 lb 13 oz | 18 oz | 5" | 7"x13" | side sleepers who want room without the weight |
| AlpinLite | 20°F / -7°C | 1 lb 15 oz | 19 oz | 5.5" | 8"x15" | — |
What to pair it with
- A sleeping pad with enough R-value. Western Mountaineering's rating assumes an insulated ground pad, and it suggests roughly R-3 to R-5 for summer and shoulder-season trips. See our sleeping pads.
- A pillow and a liner for comfort and to keep your bag cleaner between washes. See our pillows.
- A pack with room to spare. Browse backpacking packs.
MegaLite questions
What temperature is the MegaLite rated for?
It is rated to 30°F (-1°C). Western Mountaineering calls its ratings a guideline for comparing bags, not a comfort guarantee. It says the rating usually falls between the "limit" and "comfort" figures from standard EN/ISO testing, and recommends treating it as the lowest temperature you realistically expect. If you sleep cold, it suggests choosing a bag rated 5-10°F colder than that.
How much does the MegaLite weigh and how small does it pack?
In the 6'0" size it weighs 1 lb 8 oz and packs to about 7"x13". Other sizes: the 5'6" weighs 1 lb 7 oz; the 6'0" weighs 1 lb 8 oz; the 6'6" weighs 1 lb 9 oz.
What size should I buy?
Western Mountaineering offers the MegaLite in 5'6", 6'0", 6'6". Choose a length based on your height and check the specs table for shoulder and hip room. If you are between sizes or want extra room, ask us.
What sleeping pad should I use with the MegaLite?
Western Mountaineering's rating assumes an insulated ground pad, and it suggests roughly R-3 to R-5 for summer and shoulder-season trips.
Is the MegaLite waterproof?
No. The 12 denier ripstop shell is tightly woven and helps keep moisture out while letting body moisture escape, but it is not a waterproof bag. Like any down bag, it sleeps best when dry, so keep it in a dry bag or a pack liner on the trail.
How do I wash and store the MegaLite?
Western Mountaineering suggests laundering the bag after a season of regular use. Dry it in a front-loading dryer on low heat, or on no heat or low heat with clean tennis balls, to restore loft. Store it loose in the breathable storage bag, not compressed in the stuff sack, in a cool, dry place away from sunlight.
Does the MegaLite have a warranty?
Yes. Western Mountaineering covers manufacturer defects for the life of the bag. Normal wear and misuse are not covered: a broken stitch is covered, a field rip is not. Most repairs, including tears and zipper problems, are done at their factory in San Jose, California.
Where is the MegaLite made?
It is made in the USA by Western Mountaineering.
Why buy from Quest Outdoors?
Quest has been an outdoor gear store in Louisville, Kentucky since 1983. You can talk to people who know the gear, and orders that include a Western Mountaineering sleeping bags ship free by ground.
