Tempo™ Men's Endless Promise Synthetic Sleeping Bag
- Recycled materials
The 3-second version
- Wider at knees and shoulders for side sleepers who shift positions
- Draft collar tucks in to block cold or folds out to vent heat quickly
- Integrated pillow pocket holds camp pillow or extra layers in place
- Bulkier than mummy bags for backpacking
- Requires choosing temperature rating and length
- Hand wash or machine wash gentle cycle only
Why it's on GiftsFeed
Spoon-shaped synthetic sleeping bag built for side sleepers and shifting positions
Most sleeping bags force a choice: mummy bags pack tight but trap side sleepers in a straitjacket, while rectangle bags offer room but waste space and warmth. This one lands between those extremes with targeted width where your knees and shoulders actually need it, so you can curl or sprawl without the bag twisting around you. The draft collar matters more than most features—it lets you fine-tune warmth in seconds without fumbling with zippers in the dark, which makes the difference between comfortable sleep and sweaty frustration during unpredictable spring nights. Worth it if you've ever woken up because a mummy bag pinned your arms or if you've given up on synthetic bags that either roast you or leave you cold.
Good gift when
- Side sleepers who feel constricted in mummy-style bags
- Car campers balancing packability with sleeping comfort
- People camping in shoulder seasons with variable overnight temperatures
- Anyone who shifts positions frequently while sleeping
Skip it if If you need the absolute smallest pack size for backpacking or prioritize the lightest possible weight, traditional mummy bags will still edge this out despite the improved shape.
Specs
- Insulation
- 100% recycled synthetic (Zerofiber 650)
- Shell material
- Recycled polyester
- Temperature ratings
- 20°F or 35°F
- Lengths available
- Regular, Long
- Shape
- Classic Spoon (wider at knees and shoulders)
- Draft collar
- Blanket Fold adjustable
- Pillow pocket
- Integrated in hood
- Zipper
- Full-length
- Recyclability
- Fully recyclable through manufacturer program
- Included
- Stuff sack
What's included
- Stuff sack
If you're giving it
- You'll need their size
Choose temperature rating and length based on recipient's height and typical camping conditions.
The maker
The manufacturer developed this sleeping bag as part of a line focused on end-of-life recyclability. By constructing the entire product from a single material type—recycled polyester throughout the shell, lining, and insulation—they created a bag that can be fully reclaimed rather than sent to a landfill. The company operates a take-back program where used bags are returned, broken down, and reprocessed into new materials. This approach reduces virgin resource consumption and addresses the waste problem inherent in outdoor gear that typically mixes incompatible materials.
The details
This sleeping bag uses a shape wider at the knees and elbows than a mummy design, giving you freedom to roll and settle into a natural side position without fabric binding across your shoulders. The cut still packs smaller than a traditional rectangle bag, making it viable for car camping and weekend trips where bulk matters but you refuse to sleep pinned flat on your back.
A draft collar runs across the chest area and tucks in or folds down depending on the night. When secured, it stops cold air from sneaking in through the zipper gap. When loosened, it vents heat without forcing you to unzip the whole bag—a practical feature during spring and fall when temperatures swing unpredictably after dark.
The hood contains a sleeve designed to hold a camping pillow or bundled jacket, keeping your head support in place instead of migrating across the tent floor by morning. The fabric inside this pocket matches the soft-touch material used in the brand's camp pillows, so your cheek rests against something pleasant rather than slick nylon.
Construction relies entirely on recycled polyester shell fabric and recycled synthetic insulation rated at 650-fill equivalent. The insulation performs when damp, dries faster than down, and maintains loft through repeated compression cycles. Because the entire bag uses a single material type throughout, the manufacturer accepts it back at end of life for full recycling rather than disposal.
Available in two temperature ratings and two lengths to match your climate and height. The zipper runs full-length for venting or pairing with a second bag. Stuff sack included for storage and transport.
Recycled construction with draft collar control and integrated pillow pocket for camp comfort
Ships and sold by NEMO Equipment. About this merchant
Cheaper alternatives
Questions
- Can I wash this sleeping bag in a machine?
- Yes, use a gentle cycle with mild detergent in a front-loading washer. Tumble dry on low heat. Avoid fabric softeners and bleach, which can damage the insulation and fabric coatings.
- What's the difference between the spoon shape and a mummy bag?
- The spoon shape adds width at the knees and shoulders compared to a mummy bag, giving side sleepers more room to shift positions without fabric binding. It packs smaller than a rectangle bag but larger than a mummy design.
- How does synthetic insulation compare to down for camping?
- Synthetic insulation continues to insulate when wet and dries much faster than down. It costs less and handles repeated compression well, though it weighs slightly more and packs larger than equivalent-warmth down fill.
- Will a standard camping pillow fit in the pillow pocket?
- The pocket is designed to fit the brand's Fillo camping pillow or a similar-sized inflatable or compressible pillow. You can also use it to hold a folded jacket or extra clothing layers.
- Can I zip two of these bags together?
- The full-length zipper allows pairing with a second bag that has a compatible zipper. Check that zipper directions match (left-zip and right-zip) before purchasing if you plan to connect two bags.
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