Sea to Summit Spark Ultralight Down Sleeping Bag

About this item

The Sea to Summit Spark 15-Degree Ultralight Down Sleeping Bag is a technical down bag, engineered for warmth at the lightest weight and smallest compressed size. Ideal for backpacking, bike packing, and touring, the mummy style keeps the cold out and the warmth in. High-loft, 850+ fill power down insulation (Responsible Down Standard certified) is treated with proprietary non-PFC Ultra-Dry Down treatment to improve reaction to moisture and retain loft and performance in rugged conditions. The contoured mummy shape provides adequate room for a natural sleeping position and full box baffles maximize warmth. The ultralight 10D nylon shell is treated with PFC-free DWR and offers cutting-edge packability and warmth. The 10D liner fabric allows the bag to breathe and remain comfortable. A YKK #5 zipper operates snag-free. The Sea to Summit Spark 15-Degree Ultralight Down Sleeping Bag is available in three sizes: Regular (max user height of six feet), Long (max user height of six feet six inches), and Double (max user height of six feet six inches). It includes an Ultra-Sil compression sack and storage cube. Sea to Summit products are guaranteed against defects in materials or workmanship for the lifetime of the product.

• Nylon
• 15-degree Fahrenheit (-9-degree Celsius) ultralight down sleeping bag for 2-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

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