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Sea to Summit Spark Ultralight Down Sleeping Bag, 0-Degree, Regular

  • Based on 35 reviews
Condition: New
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$649.00 Why this price?
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Availability: Only 1 left in stock, order soon!
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Arrives Thursday, Jun 25
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Size: Standard


Style: 0-degree


Features

  • nylon/50%, polyester/50%
  • 0-degree Fahrenheit (-18-degree Celsius) ultralight down sleeping bag for 3-season backpacking, bike packing, and touring
  • High-loft 850+ fill power down insulation (Responsible Down Standard certified) with a non-PFC Ultra-Dry down treatment to improve reaction to moisture, retaining loft and performance
  • Ultralight 10D shell with PFC-free DWR keeps the hood and footbox highly water resistant; breathable 10D nylon liner provides all-night comfort
  • Contoured mummy shape provides adequate room for a natural sleeping position; YKK #5 zippers provide reliable, snag-free operation
  • Full box baffles for maximize warmth; Sea to Summit Guarantee is offered for the Lifetime of this product

Brand: Sea to Summit


Color: Yellow


Occupancy: 1 Person


Shape: Mummy


Seasons: Winter


Age Range (Description): Adult


Sport: Backpacking


Special Feature: Ultralight 10D shell with PFC-free DWR, Responsible Down Standard certified down insulation, and contoured mummy shape See more


Material: Nylon


Fill Material: Down


Occupancy: 1 Person


Seasons: Winter


Sport Type: Backpacking


Additional Features: Ultralight 10D shell with PFC-free DWR, Responsible Down Standard certified down insulation, and contoured mummy shape


Closure Type: Zipper


Maximum Height Recommendation: 6 Feet


Material: Nylon


Fill Material Type: Down


ShellMaterial: Nylon


Fabric Type: nylon/50%, polyester/50%


Color: Yellow


Shape: Mummy


EU Spare Part Availability Duration: 10 Years


Brand Name: Sea to Summit


Age Range Description: Adult


Global Trade Identification Number: 33


Model Number: 47404


Manufacturer Part Number: 47404


Manufacturer: Sea to Summit


Warranty Description: Manufacturer guarantee against defects in materials or workmanship for the lifetime of the product


Unit Count: 1.0 Count


Item Dimensions L x W: 77.2"L x 30.5"W


Item Weight: 2.62 Pounds


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Jun 25

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Sea to Summit quality
Great down sleeping bag, I saw it was Sea to Summit and had to get it, excellent warmth to weight/space ratio, tried it at home and feels very warm, I have yet to test it outside, the water is just starting to get cold so will give it a spin at the first opportunity. I like the color too.
Reviewed in the United States on December 1, 2024 by Edl

  • Excellent bag and lightweight
This is a great bag. It works well down to about 10 degrees F and does work down to 0 F. I have begun using this bag as my main bag in the jeep in case I'm stuck out in the backcountry in the winter. Its comfortable and lightweight
Reviewed in the United States on November 26, 2024 by Eric D. Brown

  • BEWARE DANGEROUS BAG AND SCUMMY COMPANY BEWARE
Dangerous bag. Scummy company. Bad customer service. My bag failed at the WORST TIME--freezing weather. I had to get a RESCUE because their unbreakable zipper broke. I went to leave a review on their website and THEY REACHED OUT TO ME instead of posting my review. Well, they didn't fix the problem. The warranty work didn't fix my bag. Now I'm still out over 600 dollars for a bag that is dangerous. ... show more
Reviewed in the United States on September 17, 2025 by Antal

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