Stay Warm and Sleep Soundly in Extreme Cold
Conquer the cold with confidence. This ultralight mummy sleeping bag is designed for winter adventurers who won’t let subzero temperatures stop their journey. With premium 650 fill power duck down and thickened insulation, it offers exceptional warmth without the bulk, making it your go-to choice for snow-covered trails, frozen forests, and icy mountain nights.
Whether you’re backpacking through alpine terrain, camping during a snowy expedition, or simply preparing for unpredictable cold weather, this sleeping bag keeps you safe and snug. Engineered with a tapered mummy shape to retain body heat and reduce dead air space, it performs exceptionally in harsh winter conditions down to -20°F.
The ultralight weight and compact storage size make it ideal for minimalist hikers and mountaineers. Available in three fill levels—SP400, SP700, and SP1000—so you can choose the warmth level that suits your adventure best. This is cold-weather comfort you can rely on, wherever the trail leads.
Product Features
- High-loft 650FP duck down for unbeatable warmth-to-weight ratio
- Temperature rated for extreme cold as low as -41°F
- Mummy design contours the body for maximum heat retention
- Lightweight and compressible — packs down small for easy carry
- Durable nylon shell resists wind and moisture
- Multiple insulation options (SP400, SP700, SP1000) for varying cold conditions
- Available in Medium (75 x 30 in) and Large (80 x 31.5 in) to fit your body comfortably
Why You’ll Love It
- All-season versatility – ideal for spring chills, autumn frost, and deep winter freezes
- Ultralight construction makes it perfect for backpacking and alpine hiking
- Thick insulation offers peace of mind in extreme weather
- Compact storage won’t take up unnecessary space in your gear
- Soft, breathable lining keeps you dry and cozy all night long
Ready to Brave the Cold?
When temperatures drop and nature tests your limits, trust in a sleeping bag built to perform. Whether you’re exploring snow-covered ridgelines or sleeping under the stars at high altitude, this winter mummy sleeping bag gives you the warmth, comfort, and packability that serious adventurers demand.
Don’t let winter slow you down—gear up, sleep warm, and keep moving.
How much does shipping cost?
We are glad to bring our customers great value and service. That’s why we provide fast shipping from our Fulfillment Center in California by UPS and USPS.
What countries are you delivering to?
As of now, we’re delivering to the United States only.
How can I track my parcel?
Once your parcel has left our Fulfillment Center, you will receive an email with a tracking number to monitor your parcel movements.
Can you ship my order to a business address?
Yes, you can write your business address in your order details if it’s more convenient to you.
Can you ship my order to a PO Box address?
Yes, you can select delivery to a PO Box if it’s more convenient to you.
Can you ship my order to APO or FPO military addresses?
Yes, we ship anywhere in the United States, and to all US territories and military APO/FPO addresses.
What happens to my parcel if it is delivered while I’m not there?
Depending on the destination and the package size, your parcel will be left in your mailbox or on your porch, or it may be left with a neighbour.
Can I cancel my order?
All orders can be canceled until they are shipped. If your order has been paid and you need to change or cancel it, please contact us within 12 hours of placing it.
Can I get a refund if something is wrong with my order?
Within 14 days of receiving the parcel, you can ask us for:
- A full refund if you don’t receive your order
- A full refund if your order does not arrive within the guaranteed time (1-3 business days not including 1 business day processing time)
- A full or partial refund if the item is not as described
Full refunds are not available under the following circumstances:
- Your order does not arrive due to factors within your control (e.g. providing the wrong shipping address)
- Your order does not arrive due to exceptional circumstances outside our control (e.g. not cleared by customs, delayed by a natural disaster).
All our products are backed with a 14-day money back guarantee. Just send us a message on the Contact Us page and we will refund the purchase price.
Can I return an item for an exchange instead of a refund?
Yes, you can! Kindly Contact Us form to discuss the details with us.
Can I return my purchase?
All our products are backed with a 14-day money back guarantee. Just contact us and we will refund the purchase price.
If you are not satisfied with your purchase, you can return it for a replacement or refund. No questions asked! You only should return it at your expense.
Please contact us first and we will guide you through the steps. We are always ready to give you the best solutions!
Please do not send your purchase back to us unless we authorize you to do so.
Are there any items I can’t return?
Hygiene and our customers’ safety is our top priority, which is why there are specific types of products that can’t be returned such as:
- Face and body products if opened, used, or have a broken protective seal
- Underwear if the hygiene seal is not intact or any labels have been broken
- Swimwear if the hygiene seal is not intact or any labels have been broken
- Pierced jewellery if the seal has been tampered with or is broken
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