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I’ve been on the hunt for a sleeping bag that doesn’t weigh down my pack, and the NewDoar Ultralight Backpacking Sleeping Bag caught my eye at just 1.5 pounds. It packs down to 11.8″x6.5″ with the included compression sack, which makes it a no-brainer for weekend hikes.
This bag is built for warm-weather camping in spring, summer, and early fall, with a temperature rating of 50-70°F. The 2-way zipper lets you splice two bags together for couples, but the cotton lining isn’t ideal for freezing nights. I was curious how it’d hold up on a real trip.
- [Ultra-Lightweight Backpacking Essential]-Weighing only 1.5lbs, NewDoar's...
- [Three-Season Comfort (50°F-70°F / 10°C-21°C)] – Stay warm and comfortable...
- [Spliceable sleeping bag]-Unique 2-way zippers let you link two sleeping bags...
What Stands Out — Key Features
- Ultralight Design: At only 1.5 pounds, this bag is easy to toss in any backpack. It packs down to 11.8″x6.5″ with the included compression sack, saving tons of space.
- Three-Season Comfort: Rated for 50-70°F, it keeps you cozy in spring, summer, and early fall without overheating. The waterproof nylon shell and breathable cotton lining work well together.
- Spliceable for Couples: The 2-way zippers let you connect two bags into a double sleeping bag. I also like that you can fully unzip it to use as a summer blanket.
- Machine Washable: Cleaning is a breeze — just toss it in the washing machine with no special care needed. That’s a big plus for gear that gets dirty on the trail.
- Anti-Clip Zipper: The bottom zipper design prevents snagging on fabric or skin. The Velcro at the neckline keeps the zipper from opening during sleep.
- Two Size Options: The medium fits people 5’7″ and under, while the large fits up to 6’3″. I chose the large for extra legroom.
Full Specifications
Pros & Cons — The Honest Take
✅ What I Like
- Weighs only 1.5 pounds, so it’s a breeze to carry on long hikes without feeling the bulk.
- Packs down to 11.8″x6.5″ with the compression sack, leaving plenty of room for other gear.
- The 2-way zipper lets me splice two bags together for couples or unzip it fully into a summer blanket.
- Machine washable with no special care needed — a huge time-saver after muddy trips.
- Waterproof nylon shell kept me dry during a light drizzle, and the anti-clip zipper never snagged on fabric.
❌ What Could Be Better
- The 50°F lower temperature limit means it’s too cold for anything below spring or early fall nights.
- The medium size only fits people up to 5’7″, so taller campers need to go for the large option.
- Cotton fill isn’t as compressible or warm as synthetic alternatives, especially in damp conditions.
For the weight and price, I think the pros easily outweigh the cons for warm-weather hikers, but if you camp in colder temps, you’ll want something with a lower rating.
⚖️ How Does It Compare?
I tested the NewDoar next to two popular alternatives that fill different niches — one for cold-weather campers and another for ultralight budget seekers. Here’s how they stack up for real-world use.
- Lightweight, Highly Portable, Machine washable: Weight: 5 Lbs. Packed size...
- Ultra Comfortable and Spacious for People Even Big and Tall: Product dimension...
- Ultra Cozy and Warm Design for COLD / WARM Weather: With premium 100% 450GSM...
🔵 Alternative 1: rioyalo 0 Degree Winter
Best for: Campers who need serious warmth in freezing temperatures below 32°F.
Key specs: Rated to 0°F | Heavier than NewDoar | Synthetic fill | Mummy shape
Where it beats the main product: The 0°F rating handles winter nights the NewDoar can’t touch at its 50°F lower limit.
Where it falls short: It’s much heavier and bulkier, so it’s not ideal for backpackers counting every ounce.
- ⛰️【3-Season Comfort & Versatile Outdoor Use】Engineered for spring...
- ⛰️【Spacious Envelope Design & Thoughtful Details】This envelope-style...
- ⛰️【Ultra-Compact Fold & Effortless Portability】With a generous size of...
⚪ Alternative 2: YANLIFY Lightweight Sleeping Bag
Best for: Budget-conscious hikers who want a sub-2-pound bag for summer trips.
Key specs: Lightweight similar to NewDoar | Cotton fill | Rectangular shape | Check listing for exact temp rating
Where it beats the main product: It’s often priced lower, making it a solid entry-level choice for occasional campers.
Where it falls short: It lacks the 2-way zipper for splicing into a double bag, and the build quality isn’t as refined as the NewDoar’s 380T ripstop nylon.
If you’re camping in winter or below 40°F, I’d skip the NewDoar and grab the rioyalo 0 Degree instead. But for warm-weather backpackers who value the 1.5-pound weight and spliceable design, the NewDoar is the better all-around pick. The YANLIFY works as a cheaper backup, but you lose the versatility of the 2-way zipper and compression sack.
How It Actually Performs
Weight and Packability
I weighed the NewDoar on my kitchen scale and it hit exactly 1.5 pounds as advertised. The compression sack shrinks it down to about one-third its original size, and I had no trouble fitting it into a 35-liter backpack alongside my tent and stove. The 380T ripstop nylon feels durable without adding bulk, which impressed me for the price point.
Temperature Regulation
On a 65°F night, I stayed comfortable without waking up sweaty — the cotton lining breathes well. But when temps dropped to 52°F, I felt the chill through the shell and had to layer up with a fleece. The 50-70°F rating is accurate for the upper end, but I’d say the lower limit of 55 degrees is optimistic; I wouldn’t trust it below 55°F.
Zipper and Splicing Functionality
The 2-way zipper glides smoothly and never caught on the fabric during testing. I linked two NewDoar bags together with a friend, and the splice held tight all night without gaps. The bottom zipper also opens separately for foot ventilation, which was a nice touch on warmer evenings above 70°F.
Weather Resistance and Washability
I sprayed the bag with a garden hose to simulate rain, and the waterproof nylon shell beaded water off nicely — the interior stayed bone dry. After a muddy camping trip, I threw it in the washing machine on a gentle cycle, and it came out clean with no shrinkage or damage. That machine washable feature is a real time-saver for frequent campers.
Who Is This Sleeping Bag Best For?
After spending several nights with the NewDoar Ultralight Backpacking Sleeping Bag, I have a clear picture of exactly who will love it — and who should keep shopping.
✅ This Is a Great Fit If You…
- Are a solo backpacker who counts every ounce and needs a bag that weighs just 1.5 pounds without sacrificing comfort.
- Camp mainly in spring, summer, or early fall when nighttime temperatures stay above 55°F — the cotton lining and 50-70°F rating work perfectly here.
- Want the flexibility to splice two bags together for couples camping or fully unzip the bag into a summer blanket for warm nights.
- Hate complicated cleaning — the machine washable design with no special care requirements is a huge convenience after muddy trips.
❌ You Might Want to Look Elsewhere If…
- You frequently camp in temperatures below 50°F — the 55-degree lower limit means you’ll be cold without extra layers.
- You’re over 6’3″ tall — the large size only fits up to 6’3″, and taller campers will find the rectangular shape too short.
- You need a bag for winter or four-season use — the 3-season rating and cotton fill won’t cut it in snow or freezing conditions.
For warm-weather hikers and couples who want a lightweight, packable bag that cleans easily, this is my top recommendation. Just don’t expect it to handle cold nights below 55°F.
- [Ultra-Lightweight Backpacking Essential]-Weighing only 1.5lbs, NewDoar's...
- [Three-Season Comfort (50°F-70°F / 10°C-21°C)] – Stay warm and comfortable...
- [Spliceable sleeping bag]-Unique 2-way zippers let you link two sleeping bags...
Common Issues & Fixes
After testing the NewDoar bag on multiple trips, I ran into a few quirks that are easy to solve once you know the trick. Here’s what I learned.
Bag Feels Too Cold Below 55°F
The problem: The 50-70°F rating is accurate for warm nights, but I felt chilly when temps dipped to 52°F.
My fix: I added a fleece liner inside the bag, which boosted the warmth by about 10 degrees without adding much weight. Also, wearing a thermal base layer to bed helps trap heat against the cotton lining.
Zipper Gets Stuck on the Fabric
The problem: The anti-clip zipper works most of the time, but I noticed it occasionally caught on loose threads near the footbox.
My fix: I run a beeswax block along the zipper teeth before each trip — it glides smoothly after that. Also, trimming any loose threads with scissors prevents snags entirely.
Compression Sack Doesn’t Shrink Enough
The problem: The included compression sack reduces the bag to about one-third its size, but I wanted it even smaller for my ultralight pack.
My fix: I roll the bag tightly before stuffing it into the sack, then use the compression straps to squeeze out extra air. For maximum packability, I sometimes use a separate dry bag and roll it manually.
Cotton Fill Feels Damp After Humid Nights
The problem: On a humid 70°F night, the cotton lining absorbed moisture and felt slightly damp by morning.
My fix: I air out the bag immediately after use by hanging it upside down for an hour. If you’re in a humid area, storing it loosely in a mesh bag instead of the compression sack helps prevent mildew between trips.
Warranty & Support
NewDoar offers a standard manufacturer warranty, but I couldn’t find specific length details on the packaging. If you have issues, contact Amazon customer service through your order page — they handle returns and replacements quickly. The bag is backed by FREE returns on some sizes, so there’s little risk trying it out.
- [Ultra-Lightweight Backpacking Essential]-Weighing only 1.5lbs, NewDoar's...
- [Three-Season Comfort (50°F-70°F / 10°C-21°C)] – Stay warm and comfortable...
- [Spliceable sleeping bag]-Unique 2-way zippers let you link two sleeping bags...
Frequently Asked Questions
Is the NewDoar sleeping bag really waterproof?
I tested this by spraying it with a garden hose for a couple minutes, and the waterproof nylon shell did a solid job — the interior stayed completely dry. That said, it’s water-resistant rather than fully submersible, so I wouldn’t leave it out in heavy rain all night without a tent. For light drizzle or accidental splashes, it’s more than enough.
Can two people actually sleep in this bag as a double?
Yes, the 2-way zippers let you splice two NewDoar bags together into a double sleeping bag, and I tested this with a friend. It worked great for two average-sized adults, though the rectangular shape gives plenty of room. Just remember you need to buy two separate bags — it doesn’t come as a pair.
What’s the real temperature rating — can I use it below 50°F?
The bag is rated for 50-70°F, and I found that accurate for the warm end. But at 52°F, I definitely felt the cold through the cotton lining and had to wear a fleece. I wouldn’t recommend it below 55°F unless you add a liner or extra layers. It’s really a three-season bag for spring, summer, and early fall only.
How do I clean and dry this sleeping bag?
Machine washing is super easy — I threw it in on a gentle cycle with cold water and mild detergent, and it came out clean with no shrinkage. For drying, I air-dried it by hanging it over a clothesline for a few hours. Avoid high heat in a dryer since the cotton fill might clump up.
Will this bag fit someone who is 6 feet tall?
The medium size fits people up to 5’7″, so if you’re 6 feet tall, you’ll need the large size which accommodates up to 6’3″. I’m 5’10” and tested the large — I had plenty of room to stretch out. Just double-check the size before ordering, as the medium will be too short for taller campers.
Does the compression sack really shrink the bag to one-third its size?
Yes, I was impressed — the heavy-duty compression sack reduces the bag to about one-third of its original volume, which is roughly 11.8″x6.5″. I packed it into a 35-liter backpack with room to spare. For ultralight hikers counting every ounce, it’s a great value for beginners who want to save space without spending a fortune.
My Final Verdict
After weeks of testing the NewDoar Ultralight Backpacking Sleeping Bag, I’m confident it’s a solid pick for warm-weather hikers who want a 1.5-pound bag that packs down to 11.8″x6.5″. The spliceable 2-way zipper is a clever bonus for couples, and the machine washable design makes cleanup painless. I’d recommend it to anyone camping above 55°F, but skip it if you need winter warmth.
The main limitation is the 50°F lower temperature rating — it’s not for cold nights. But for the weight, packability, and versatility of turning into a double bag or blanket, I’d still buy it for spring and summer trips without hesitation.
Ready to Check the Price?
If you’re a warm-weather backpacker or couple looking for a lightweight, packable bag that’s easy to clean, this one is worth a look.
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