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Shoulders too wide for a standard Big Agnes sleeping bag? Add seven inches of shoulder girth to your bag with the Wedgie Sleeping Bag Expander. Zip this expander into your YKK #5 sleeping bag zipper and get more space to move around. PrimaLoft Eco synthetic insulation offers plenty of warmth so gaining space to move doesn't mean creating a cold spot at your upper body.

  • Includes stuff sack for simple, compact storage at home or in your backpacking bag
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I need to know if this will zip to a Western...

I need to know if this will zip to a Western Mountaineering bag with a ykk #5 zipper? My bag has a left zipper so I would require the wedgie to be right zip.