Sea to Summit Spark Ultralight Down Sleeping Regular Bag, 45°,

Ultralight down sleeping bag rated to 45°F (7°C) for warm weather backpacking, bikepacking, and touring. High-loft 850+ fill power down insulation (Responsible Down Standard certified) with non-PFC Ultra Dry Down treatment for improved response to moisture and to maintain loft and performance. The ultralight 10D shell with PFC-free DWR provides high-performance waterproofing for the hood and footbox, while the breathable 10D nylon liner provides all-night comfort. The contoured mummy shape provides ample space for a natural sleeping position, and the YKK #5 zipper provides reliable, snag-free operation. Baffle construction is sewn in for lightweight performance; Sea to Summit warranty covers the lifetime of the product The Sea to Summit Spark 45° Ultralight Down Sleeping Bag is a technical down bag designed for warmth with the lightest weight and smallest packability. It's ideal for backpacking, bikepacking, and touring. The mummy style keeps out the cold and retains warmth. The high-loft, 850+ fill power down insulation (Responsible Down Standard certified) is treated with a proprietary non-PFC UltraDry Down process for improved moisture response and maintains loft and performance, even in harsh conditions. The contoured mummy shape provides ample space for a natural sleeping position and features sewn-in construction for lightweight support. The ultralight 10D nylon shell and liner fabric are DWR-treated, free of perfluorinated chemicals, for state-of-the-art packability and warmth. The lightweight YKK #5 zipper is one-third the length and snag-free on the left side. The Sea to Summit Spark 45° Ultralight Down Sleeping Bag is available in two styles: Regular (for heights up to 6 feet) and Long (for heights up to 6 feet). Includes an Ultra-Sil compression sack and storage cubes. to Summit products are warranted against defects in materials and workmanship for the life of the product.