How to Choose Sleeping Bags for Backpacking
REI Co-op Helio Sack 50 Sleeping Bag
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With just enough insulation for warm weather, the REI Co-op Helio Sack 50 sleeping bag is great for travel, backpacking and bike touring. Or, slip it inside another bag on cold nights.
Shop similar productsKey Details
Fill
Recycled polyester fibers (bluesign® approved)
Temperature Rating (F)
50 degrees (F)
- Recycled polyester shell, lining and insulation
- Long side unzips into a quilt; short side-zip works as both a vent and an armhole
- Relaxed mummy shape won't cramp your sleeping style
- Differentiated drawcords (1 round, 1 flat) let you adjust the hood and neck easily in the dark
- Durable water repellent (DWR) finish on the recycled polyester shell resists moisture and stains
- Included stuff sack compresses for packing; mesh expansion allows for breathable storage
- Contains materials that meet the bluesign® criteria
- REI Co-op brand is certified to The Climate Label; we actively fund efforts to reduce carbon emissions across our business and support climate projects around the world
Imported.
View all REI Co-op Backpacking Sleeping Bags| Best Use | Backpacking Camping Bikepacking |
|---|---|
| Temperature Rating (F) | 50 degrees (F) |
| Temperature Rating (C) | 10 degrees (C) |
| Shell | Recycled polyester (bluesign® approved) |
| Zipper Location | Right |
| Insulation Type | Synthetic |
| Fill | Recycled polyester fibers (bluesign® approved) |
| Sleeping Capacity | 1-person |
| Lining | Recycled polyester (bluesign approved) |
| Sleeping Bag Shape | Mummy |
| Shoulder Girth (in.) | 62 inches |
| Hip Girth (in.) | 56 inches |
| Stuff Sack Size | 7 x 8.5 inches |
| Stuff Sack Volume | 3.5 liters |
| Gender | Unisex |
| Sustainability | Contains materials that meet the bluesign® criteria Contains recycled materials From a Climate Label Certified brand |
Buying Advice
Better gear is built together
From feedback to field testing, all of our gear is dialed-in by REI Co-op members. Their adventures informed every stitch and detail—making for better, longer-lasting gear.
