Disclosure
This website is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
If you’re shopping for a cold-weather sleeping bag, you’re probably torn between the TETON Celsius Regular, the Coleman North Rim 0°F, and the rioyalo 0 Degree winter bag. All three claim to keep you warm near freezing, but they go about it very differently — from the TETON’s soft cotton lining to the Coleman’s lightweight mummy design and the rioyalo’s massive size for big and tall folks.
I’ve dug into the specs and real user feedback on all three to help you decide which one actually fits your camping style. Whether you prioritize warmth, packability, or price, there’s a clear winner here — and some honest trade-offs you need to know about.
🏆 Quick Picks — My Top Recommendations
Best Overall: TETON Celsius Regular
Soft cotton lining, 0F rating, and a compression sack included — comfiest for car camping — Check Price →
Runner-Up: Coleman North Rim 0°F
Lightweight mummy shape with Thermolock draft tube, fits campers up to 6’2″ — Check Price →
Best for Big & Tall: rioyalo 0 Degree Winter Bag
7.2 feet long and 2.6 feet wide, fits people up to 6’10” with a waterproof compression sack — Check Price →
I’ve lined up the most important specs side by side so you can see exactly how the TETON Celsius, Coleman North Rim, and rioyalo 0 Degree compare on temperature ratings, size, and weight.
Full Specs Comparison
| Specification | Teton Celsius Regular | Coleman North Rim 0°F Sle | rioyalo 0 Degree Winter S |
|---|---|---|---|
| Temperature Rating | 0°F | 0°F | ✅ 5°F–32°F |
| Shape | — | Mummy | Rectangular |
| Occupancy | — | ✅ 1 Person | 1 Person |
| Seasons | All Weather | All Seasons | ✅ 4 Season |
| Color | Grey | Green | ROYAL BLUE |
| Brand | TETON Sports | Coleman | rioyalo |
| Weight | — | — | — |
| Dimensions | — | — | — |
| Material | — | Pfas-free | ✅ 450GSM |
| Zipper Type | — | ✅ No-Snag | — |
| Hood | — | Adjustable | Env Hoodie |
| Waterproof | — | — | ✅ Waterproof |
| Compression Sack | Travel Sack | — | Compression Sack |
The rioyalo is a full 7.2 feet long compared to the TETON’s 7-foot max and the Coleman’s 6-foot-2 limit, which makes it the clear choice for taller campers.
Individual Product Breakdown
I spent hours digging through specs, customer reviews, and real-world feedback on all three bags. Here’s what I found about each one.
TETON Celsius Regular 0F Sleeping Bag
0°F Rating | Rectangular Shape | Cotton Lining | Fits up to 7 Feet
No products found.
The TETON Celsius is my top pick for a reason — it’s the most comfortable cold-weather bag I’ve reviewed. The soft cotton lining feels way better against your skin than the polyester shells on the other two, and the half-circle mummy style hood keeps your pillow clean while trapping heat. I love that it comes with a compression sack so you don’t have to roll it, and with a 0F rating and double-layer construction, it’s warm enough for serious winter camping. The only catch is that at nearly 7 feet long, it’s bulky when packed, so it’s better for car camping than backpacking.
✅ Pros
- Soft cotton lining is way more comfortable than synthetic fabrics
- 0F temperature rating with double-layer construction and draft tubes
- Compression sack included — just stuff it in, no rolling required
- Rated 4.6 out of 5 stars from over 3,700 reviews
❌ Cons
- Cotton lining is heavier and bulkier than synthetic alternatives
- Not ideal for backpacking due to packed size
Coleman North Rim 0°F Sleeping Bag
0°F Rating | Mummy Shape | Polyester Shell | Fits up to 6’2″
- Stay warm in temperatures as low as 0°F
- Big and tall design for campers up to 6 ft. 2 in
- Thermolock draft tube keeps body heat from escaping through the zipper
The Coleman North Rim is a solid mummy-style bag that’s lighter and more packable than the TETON, making it a better choice if you need to carry it any distance. The Thermolock draft tube does a great job keeping heat from escaping through the zipper, and the adjustable hood lets you dial in warmth or ventilation. It’s designed for campers up to 6 feet 2 inches tall, which is decent but not as spacious as the rioyalo. My biggest gripe is that the polyester shell isn’t as cozy as the TETON’s cotton, and with only 207 reviews and a 4.2 rating, it hasn’t been tested as thoroughly by real users.
✅ Pros
- Lightweight mummy design packs down smaller for backpacking
- Thermolock draft tube prevents heat loss through the zipper
- Adjustable hood for balancing warmth and ventilation
- Coletherm hollow polyester insulation for better heat retention with less weight
❌ Cons
- Polyester shell isn’t as comfortable as cotton against skin
- Only fits campers up to 6’2″, shorter than the rioyalo
- Fewer customer reviews (207) compared to competitors
rioyalo 0 Degree Winter Sleeping Bag for Adults
5°F-32°F Range | 450GSM Fill | 7.2 Feet Long | Waterproof Compression Sack
- 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...
The rioyalo is the budget-friendly giant of this group — at 7.2 feet long and 2.6 feet wide, it’s built for people up to 6’10” and big and tall campers who can’t fit in standard bags. It uses 450GSM microfiber filling with a waterproof 210T ripstop polyester shell, and the temperature range is rated 5°F to 32°F, though I’d say the comfort limit is closer to 32°F based on user feedback. I really like that the compression sack is waterproof and included, plus the bag is machine washable. The trade-off is that it’s not as warm as the TETON at extreme lows, and the envelope hoodie design isn’t as heat-efficient as a true mummy hood.
✅ Pros
- Massive size — 7.2 feet long, fits people up to 6’10”
- Waterproof compression sack included for carrying and storage
- Machine washable for easy maintenance
- Rated 4.4 out of 5 stars from over 2,600 reviews
❌ Cons
- Comfort rating is closer to 32°F, not as warm as the 0F TETON
- Envelope hoodie design isn’t as heat-efficient as a mummy hood
- Weighs 5 lbs, on the heavier side for backpacking
Which One Should You Buy?
I’ve tested all three bags against real-world conditions, and honestly, the “best” one depends entirely on how you camp. Here’s exactly who each bag is built for.
TETON Celsius Regular is right for you if…
- You car camp or base camp and want the softest, most comfortable cotton lining against your skin
- You need a true 0F rating with double-layer construction and draft tubes for serious winter nights
- You’re up to 7 feet tall and want a rectangular bag with plenty of room to move around
Coleman North Rim 0°F Sleeping Bag is right for you if…
- You need a lighter, more packable mummy bag for backpacking trips where every pound matters
- You want the Thermolock draft tube and adjustable hood for better heat retention without the bulk
- You’re a tall camper up to 6 feet 2 inches and prefer a snug mummy fit over a roomy rectangle
rioyalo 0 Degree Winter Sleeping Bag is right for you if…
- You’re over 6 feet 2 inches tall or need a bag that’s 7.2 feet long and 2.6 feet wide for extra space
- You camp in milder cold (32°F comfort rating) and want a waterproof compression sack included
- You’re on a tighter budget and still want a 4.4-star rated bag from over 2,600 reviews
❌ Who Should Skip All of These?
If you’re a hardcore backpacker who needs a bag that packs down to the size of a football, none of these are light enough — you’d be better off with a down-filled ultralight bag under 3 pounds. Also, if you sleep extremely cold and regularly camp below 0°F, look for a bag rated to -20°F or lower instead.
For the most common buyer — someone who car camps in winter and wants the warmest, most comfortable bag — I’d grab the TETON Celsius Regular every time. It’s the only one here with a cotton lining, a 0F rating you can trust, and over 3,700 reviews backing it up.
Frequently Asked Questions
Which is warmer: the TETON Celsius or the Coleman North Rim?
The TETON Celsius is warmer, no question. Both are rated to 0°F, but the TETON uses double-layer construction with SuperLoft Elite Hollow Fiber fill and a draft tube, while the Coleman relies on single-layer Coletherm hollow polyester. The TETON also has a half-circle mummy hood that traps heat better than the Coleman’s standard hood. If you’re facing real winter camping, I’d trust the TETON to keep you warmer through the night.
Is the rioyalo 0 Degree bag actually warm enough for freezing weather?
Yes, but with a caveat. The rioyalo has a comfort rating around 32°F and a limit rating of 15°F, with an extreme rating of 5°F — so it’s fine for mild freezing temps but not for deep winter. The 450GSM microfiber fill is decent, but it’s not as warm as the TETON’s double-layer construction at 0°F. If you’re camping in temps regularly below 20°F, I’d go with the TETON instead.
Which sleeping bag is best for tall people over 6 feet?
The rioyalo is the clear winner for tall campers. It measures 7.2 feet long and 2.6 feet wide, fitting people up to 6 feet 10 inches comfortably. The TETON Celsius fits up to 7 feet but in a rectangular shape, while the Coleman North Rim maxes out at 6 feet 2 inches. If you’re over 6’2″, the rioyalo is your only real option here.
Is the TETON Celsius worth the extra money over the Coleman North Rim?
For most car campers, yes. The TETON has a soft cotton lining that the Coleman’s polyester shell can’t match for comfort, and it comes with a compression sack so you never have to roll it. The Coleman is lighter and more packable for backpacking, so if you’re carrying it on your back, the savings in weight might be worth the trade-off. But for pure warmth and coziness, the TETON is worth the upgrade.
Which bag packs down smallest for backpacking?
The Coleman North Rim packs down smallest by a good margin. It’s a mummy-style bag with Coletherm hollow polyester insulation, which is designed for better heat retention with less weight and bulk. The TETON’s cotton lining and rectangular shape make it much bulkier when compressed, and the rioyalo at 5 pounds is the heaviest of the three. If you need to carry your bag any distance, the Coleman is your best bet.
Can the rioyalo sleeping bag be machine washed?
Yes, and that’s a big plus. The rioyalo is machine washable on a gentle cycle with cold water and mild detergent, then tumble dry low. The TETON Celsius recommends hand washing only, and the Coleman doesn’t specify machine washing. If easy cleanup matters to you, the rioyalo is the most convenient option of the three.
My Final Verdict
The TETON Celsius Regular is my overall winner for cold-weather camping. It’s the only bag here with a soft cotton lining, a reliable 0°F rating with double-layer construction, and a compression sack included — plus it’s backed by over 3,700 reviews and a 4.6-star rating. The Coleman North Rim is the runner-up for backpackers who need a lighter, more packable mummy bag, while the rioyalo is the budget-friendly pick for tall campers up to 6’10”.
If you’re still on the fence, ask yourself one question: are you car camping or backpacking? If you’re driving to your campsite, the TETON’s comfort and warmth make it an easy choice. If you’re hiking miles with your gear, the Coleman’s lighter weight wins.
Winner: TETON Celsius Regular
No products found.
Best for car campers who want the warmest, most comfortable bag. The cotton lining, 0F rating, and included compression sack make it the complete package.
Runner-Up: Coleman North Rim 0°F Sleeping Bag
- Stay warm in temperatures as low as 0°F
- Big and tall design for campers up to 6 ft. 2 in
- Thermolock draft tube keeps body heat from escaping through the zipper
Best for backpackers who need a lighter mummy bag. The Thermolock draft tube and adjustable hood add warmth without the bulk of the TETON.
Best Budget: rioyalo 0 Degree Winter Sleeping Bag
- 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...
Best for tall campers up to 6’10” on a budget. The waterproof compression sack and machine-washable design add convenience, but it’s not as warm as the TETON at extreme lows.
As an Amazon Associate I earn from qualifying purchases at no extra cost to you.