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Description
Therm-a-Rest Saros 32F/0C Sleeping BagLightweight 3 season synthetic sleeping bag. If the forecast looks damp and your camp needs to be comfy, the Saros 32F 0C is the lightest bag in our Saros line of top rated synthetic sleeping bags. The Saros uses our eraLoft synthetic insulation, which is quick drying and weather resistant, making it ideal for backpacking and mountaineering in wet weather from spring to fall. The fit of the bag has been perfected in our onsite cold chamber to create
Lightweight 3 season synthetic sleeping bag.
If the forecast looks damp and your camp needs to be comfy, the Saros 32F/0C is the lightest bag in our Saros line of top-rated synthetic sleeping bags. The Saros uses our eraLoft™ synthetic insulation, which is quick-drying and weather resistant, making it ideal for backpacking and mountaineering in wet weather from spring to fall. The fit of the bag has been perfected in our onsite cold chamber to create our W.A.R.M. fit that allows room for multiple sleep positions without compromising thermal efficiency. Our SynergyLink™ Connectors also integrate the Saros with your pad to ensure superior comfort with efficient warmth and the freedom to move as you like for the best night's rest possible. The Saros is offered in three sizes and designed to fit both men and women. Compression sack and storage sack included.
Details
- eraLoft™ Insulation: Efficient and compressible, our water-resistant synthetic fill uses hollow fibers to reduce weight without sacrificing warmth.
- W.A.R.M. Fit: With Additional Room for Multiple positions (W.A.R.M.) fit means this bag allows for various natural sleep positions while maintaining thermal efficiency.
- SynergyLink™ Connectors: Integrate the bag with a pad for optimal comfort and thermal efficiency; removable for versatility.
- Zoned Insulation: Maximizes warmth and saves weight by intentionally placing fill where you need it most.
- Toe-asis™ Foot Warmer Pocket: Ergonomic toe box that rapidly warms cold feet in a pocket of warm insulation.
- Quilt and Blanket Loops: Customize your sleep system by layering our quilts or tech blankets for increased warmth.
- Additional features: Heat-trapping draft collar, full-length zipper draft tube, snag-free zipper, cinchable hood and external zip pocket.
- Compression sack and storage sack included.
Tech Specs
| Small | Regular | Long | |
|---|---|---|---|
| SKU | 13161 | 13162 | 13163 |
| Color | Stargazer | Stargazer | Stargazer |
| Weight (Standard) | 2 lbs 2 oz | 2 lbs 5 oz | 2 lbs 8 oz |
| Weight (Metric) | 0.96 kg | 1.06 kg | 1.14 kg |
| Width (Standard) | 29 in | 31.5 in | 33 in |
| Length (Standard) | 73 in | 80 in | 85 in |
| Height (Standard) | 4 in | 4 in | 4 in |
| Fits (Standard) | 66 in | 72 in | 78 in |
| Fits (Metric) | 168 cm | 183 cm | 198 cm |
| Girth, Shoulder (Standard) | 58 in | 63 in | 66 in |
| Girth, Shoulder (Metric) | 147 cm | 160 cm | 168 cm |
| Girth, Hip (Standard) | 58 in | 61 in | 64 in |
| Girth, Hip (Metric) | 147 cm | 155 cm | 163 cm |
| Girth, Foot box (Standard) | 44 in | 46 in | 51 in |
| Girth, Foot box (Metric) | 112 cm | 117 cm | 130 cm |
| Packed dimension (Standard) | 8.5 x 9.5 | 8.5 x 9.5 | 8.5 x 9.5 |
| Packed dimension (Metric) | 22 x 24 | 22 x 24 | 22 x 24 |
| EN Comfort (C) | 5 C | 5 C | 5 C |
| EN Comfort (F) | 41 F | 41 F | 41 F |
| EN Limit (C) | 0 C | 0 C | 0 C |
| EN Limit (F) | 32 F | 32 F | 32 F |
| EN Extreme (F) | 5 F | 5 F | 5 F |
| EN Extreme (C) | -15 C | -15 C | -15 C |
| Fill material | eraLoft Polyester Hollow Fiber | eraLoft Polyester Hollow Fiber | eraLoft Polyester Hollow Fiber |
| Fill weight (Standard) | 1 lbs 4 oz | 1 lbs 7 oz | 1 lbs 9 oz |
| Fill weight (Metric) | 0.58 kg | 0.65 kg | 0.71 kg |
| Shell fabric | 20D Polyester w/ DWR | 20D Polyester w/ DWR | 20D Polyester w/ DWR |
| Lining fabric | 20D Polyester Taffeta | 20D Polyester Taffeta | 20D Polyester Taffeta |
| Country of Origin | China | China | China |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Variety
Flavor Name: Variety Pack, Size: 12 Fl Oz (Pack of 12)
Great variety of flavors, doesn’t make you jittery from caffeine, perfect size and great taste
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 4
cleaner caffeine hit, some flavors better than others
Flavor Name: Variety Pack, Size: 12 Fl Oz (Pack of 12)
Been going through this variety pack for a few weeks now and it's become a solid pre-workout alternative. 180mg caffeine from natural sources hits noticeably cleaner than the usual energy drinks — no jittery spike and crash. The sparkling texture is satisfying without being overly carbonated.
Flavor-wise the variety pack is hit or miss. A couple of the flavors are genuinely good, a couple I'd skip if buying singles. The zero sugar formula doesn't have that artificial sweetener aftertaste that ruins a lot of "healthy" energy drinks, which I appreciate.
The price is a bit higher than standard energy drinks but you're paying for the cleaner ingredient list. If you care about what's in your drinks, it's worth it.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
The best ever!
Flavor Name: Variety Pack, Size: 12 Fl Oz (Pack of 12)
I lost my taste for coffee so I ended up trying several different energy drinks. Most of them are very, very unhealthy. However, I found this one “Bloom“. It is refreshing and has enough caffeine to keep me happy. The flavor is great except that I wish they would not use sucralose. It is not necessary.
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Almost tastes like chocolate milk!
Flavor Name: Chocolate, Size: 11.5 Fl Oz (Pack of 12)
I usually dislike protein drinks. But I need It, and this one actually almost tastes like chocolate milk. I’ve tried the other flavors of this brand, and for me, this is the least protein tasting one. Banana came close.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
The Gold Standard: Premier Protein Chocolate Shake
Flavor Name: Chocolate, Size: 11.5 Fl Oz (Pack of 12)
The Premier Protein Chocolate Shake is, in my opinion, the benchmark for ready-to-drink protein shakes. Whether you're a serious athlete, a busy professional, or someone trying to hit daily protein goals, this shake delivers on taste, convenience, and macros.
Taste & Texture (Surprisingly Good)
Let's be honest: most shelf-stable protein shakes taste like chalky chemicals. This is where Premier Protein shines. The Chocolate flavor is rich, creamy, and surprisingly satisfying without being overly sweet. It tastes like a genuine, albeit light, chocolate milk. Crucially, the texture is smooth and velvety; there is virtually no grittiness or unpleasant artificial aftertaste. I genuinely look forward to drinking these, which is half the battle with supplements. They are best enjoyed ice-cold!
Unbeatable Nutritional Profile
The macros are what make this shake truly exceptional:
30g of High-Quality Protein: Perfect for post-workout recovery, satisfying hunger between meals, or boosting the protein content of coffee/recipes.
1g Sugar & 5g Carbs: This low-carb, low-sugar profile makes it ideal for nearly any diet, including keto and low-glycemic plans.
160 Calories: A great way to add significant protein without excessive calories.
Verdict & Best Uses
I always keep a case of these shakes stocked. They are a true time-saver for fast breakfast additions, quick muscle fuel after the gym, or a guilt-free late-night snack. If you are struggling to find a convenient, affordable, and high-protein option that actually tastes good, look no further. This product is a staple.
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Reviewed in the United States on December 3, 2025
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