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MegaLite Sleeping Bag: 30F Down
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The MegaLite 30F Sleeping Bag delivers ultralight comfort without cramping your style or your shoulders
What Our Gearhead® Experts Are Saying:
"I took the MegaLite 30F Sleeping Bag on a week-long thru-hike where every ounce mattered, and the wider mummy cut made a genuine difference in how well I actually slept compared to bags I've used at similar weights. The 850+ fill power down lofts fast even after a long day stuffed in the bottom of my pack, and the top collar seals in warmth without the pressure of a traditional hood cinched around your face."
Mile sixty on a thru-hike is not the place to discover that your sleeping bag is too narrow to turn over in. The Western Mountaineering MegaLite 30F Sleeping Bag was designed with that reality in mind, offering a wider mummy cut that gives side sleepers and restless campers the room they need without asking them to carry the extra weight that usually comes with it. At just one and a half pounds, it packs into a stuff sack small enough to drop to the bottom of any ultralight kit without rearranging your priorities.
Western Mountaineering filled the MegaLite 30F Sleeping Bag with 850+ fill power ethically sourced goose down arranged in continuous baffles that let you shift insulation toward colder zones as temperatures drop through the night. The 12-denier ripstop nylon shell is as light as it gets while still breathing well and handling the inevitable condensation of a backcountry camp. A top draft collar with adjustable draw closure seals cold air out at the shoulders without the weight of a full hood, and an insulated draft tube along the full-length YKK zipper closes off any remaining gaps. Made entirely in the USA at Western Mountaineering's San Jose facility, this is a bag built to last through years of serious use.
Details
- Ultralight wide mummy bag rated to 30°F for three-season use
- Wider cut gives side sleepers real room to move all night
- 850+ fill power goose down lofts fast and compresses small
- Continuous baffles let you shift down where warmth is needed
- Top draft collar seals cold air out without a full hood
- Insulated draft tube eliminates cold spots along the zipper
- Full-length YKK zipper vents fully on warm nights
- Made in the USA with ethically sourced premium goose down
- Item #WES0042
- Responsible Collection
- Responsibly Sourced
- Material
- ExtremeLite (12D 100% nylon ripstop)
- Insulation
- 850+ fill down
- Shape
- mummy
- Zipper
- full-length
- Max User Height
- 5ft 6in, 6ft, 6ft 6in
- Shoulder Circumference
- [5ft 6in] 63in, [6ft] 64in, [6ft 6in] 65in
- Hip Circumference
- 56in
- Foot Circumference
- 39in
- Bag Length
- 5ft 6in, 6ft, 6ft 6in
- Draft Tube
- yes
- Pockets
- none
- Fill Weight
- 12oz
- Degree
- 30F
- European Norm/ISO Comfort Rating
- 32F
- European Norm/ISO Lower Limit Rating
- 22F
- Storage Sack
- yes
- Stuff Sack
- yes
- Stuff Size
- [5ft 6in] 6 x 12in, [6ft, 6ft 6in] 7 x 12in
- Claimed Weight
- [5ft 6in] 1lb 7oz, [6ft] 1lb 8oz, [6ft 6in] 1lb 9oz
- Activity
- backpacking
- Manufacturer Warranty
- lifetime

Gear That's Up For The Adventure
More than 50 years ago, two Northern California mountaineers set out to build the finest sleeping bags possible. That original vision continues to guide Western Mountaineering.
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