The latest addition to our Extremelite Series is a wide sleeping bag made for side sleeping comfort, the Terralite. It features our 12 denier ripstop nylon shell fabric with a 15 denier nylon taffeta lining material. There are two zippers allowing this bag to mate with our mummy bags and the second zipper opens the bag up completely around the foot. With both zippers open this bag can make a fairly wide “camper van” comforter, but even when zipped up it is extremely comfortable. This is due to its wide girth through the middle of the bag, a design that side sleepers will find ideal. Despite the comfortable shape, this bag weighs less than two pounds.
Western Mountaineering Terralite 25° F rated sleeping bag.
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Seek Outside's Take on the Terralite
This bag covers summer to early fall in the mountains, and it is easy to use as a blanket, a quilt, and great for couples as you can zip a left zip and a right zip model together. The cut is roomy and comfortable and does allow you to wear layers to extend the temp rating. This bag comes from Western Mountaineering's Extremelite series, meaning the outer material is a 12 denier with a hydrostatic head (waterproofness) rating of 1200 mm. Microfiber is both more waterproof and more breathable than Extremelite, but carries a weight penalty.
What Western Mountaineering has to say about the Terralite
- 25° F temp rating
- 1 lb 13 oz total weight
- Comfortable and roomy semi-rectangular shape
- Dual Zipper allows bag to open completely for quilt or blanket use
- Continuous Baffle Construction
- 3 dimensional down filled draft tube
- Insulated Hood with adjustable draw closure
- 850 + fill power premium goose down
- 12 denier ripstop nylon outer shell fabric with 15 denier nylon taffeta lining
|Shape||Size (ft/in)||Rating||Loft (in)||Inside Girth
|Fill Wt.||Total Wt.||Stuff size (in)||Sac Size|
|Semi Rec||5'6"||25° F||5"||65"/68"/41"||16 oz||1 lb 11 oz||7"x13"||XS|
|6'0"||25° F||5"||65"/68"/42"||18 oz||1 lb 13 oz||7"x13"||XS|
|6'6"||25° F||5"||65"/68"/42"||19 oz||1 lb 15 oz||7"x13"||XS|
|Shape||Size (cm)||Rating||Loft (cm)||Inside Girth
|Fill Wt.||Total Wt.||Stuff size (cm)||Sac Size|
|Semi Rec||165||-4° C||13||163/170/104||455 g||765 g||18x33||XS|
|180||-4° C||13||165/173/107||510 g||820 g||18x33||XS|
|200||-4° C||13||165/173/107||540 g||880 g||18x33||XS|