Stay Warm, Sleep Light: Your Ultimate Winter Sleeping Bag
Experience unmatched comfort and insulation even in the coldest backcountry nights with this ultralight mummy sleeping bag. Engineered for serious winter adventurers and cold-weather campers, this sleeping bag delivers a perfect balance of warmth, weight, and packability. Whether you’re deep in the mountains or on a frosty overnight trek, it keeps you protected, insulated, and well-rested — no matter how low the temperature drops.
Crafted with premium 750-fill-power goose down, it provides exceptional loft and thermal efficiency while remaining incredibly lightweight. The stretchable mummy shape hugs your body, minimizing cold spots and maximizing warmth retention. Its shell is made of ultra-durable 20D nylon with anti-drill fabric technology, which prevents down leakage and offers wind resistance for added protection in extreme conditions. Inside, a soft 10D nylon lining creates a smooth, breathable cocoon that feels gentle against your skin.
This cold-weather essential is best used for winter camping, alpine climbing, snow treks, or anytime temperatures plunge between 14°F to -4°F. Its compact storage size and ultralight build make it easy to pack without sacrificing warmth. Every inch is designed for performance, down to the YKK anti-snag zipper and rugged Duraflex buckle for added convenience and durability.
Key Benefits
- Exceptional Warmth: Insulated with 90% 750FP goose down for premium heat retention
- Ultralight Design: Weighs as little as 1.6 lbs, perfect for backpacking and long-distance travel
- Compact & Portable: Packs down as small as 6.3 x 13.4 in., fits easily in your gear setup
- Winter Ready: Built for extreme cold with comfort temperatures from 14°F to -4°F
- Durable Shell: 20D nylon outer with anti-drill technology prevents down leakage
- Body-Conforming Fit: Stretchable mummy shape improves thermal efficiency
- High-Quality Components: Features a YKK anti-pinch zipper and strong Duraflex buckle
Why This Sleeping Bag Stands Out
What sets this sleeping bag apart is its superior warmth-to-weight ratio. While many cold-weather bags sacrifice mobility for insulation, this model remains lightweight without compromising performance. It’s breathable, stretchable, and expertly designed to trap warmth close to your body. The combination of technical fabrics, high-quality down, and thoughtful construction make it a standout choice for serious winter explorers.
Ready to elevate your winter adventure? Don’t let the cold hold you back — choose the sleeping bag that’s built to go farther, lighter, and warmer.
We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.
How do you ship packages?
Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.
Do you ship worldwide?
Yes. We provide shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.
What about customs?
We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.
How long does shipping take?
Shipping time varies by location. These are our estimates:
| Location | *Estimated Shipping Time |
| United States | 10-30 Business days |
| Canada, Europe | 10-30 Business days |
| Australia, New Zealand | 10-30 Business days |
| Central & South America | 15-30 Business days |
| Asia | 10-20 Business days |
| Africa | 15-45 Business days |
Do you provide tracking information?
Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.
My tracking says “no information available at the moment”.
For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.
Will my items be sent in one package?
For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.
If you have any other questions, please contact us and we will do our best to help you out.
Order cancellation
All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.
Refunds
Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:
- If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
- If you received the wrong item you can request a refund or a reshipment.
- If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.
We do not issue the refund if:
- Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
- Your order did not arrive due to exceptional circumstances outside the control of Marvelion (i.e. not cleared by customs, delayed by a natural disaster).
- Other exceptional circumstances outside the control of https://fascinira.com
*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page
If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.
Exchanges
If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.
Please do not send your purchase back to us unless we authorise you to do so.
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