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Add room to any sleeping bag with Sierra Designs patented Stretch Addition. More thermally efficient than simple expanders, the Stretch Addition’s construction stretches from 6-10 inches and expands to accommodate for movement for greater comfort. It’s available in Powerfill 600 Goose Down and compatible with any bag utilizing a YKK number 8 zipper, no matter who made it.
|Warranty||Sierra Designs guarantees that the materials and workmanship in every product we make will stand up to the use for which it was designed.|
2011 Cherry Street #202
Louisville, CO 80027