Sea to Summit Spark Ultralight Down Sleeping Bag Women's (45°C, Regular)

Women's ultralight down sleeping bag rated for 45 degrees Fahrenheit (7 degrees Celsius). Ideal for backpacking, bikepacking, and touring in warm weather. Features a wide, mummy-like shape with a hood and zippered draft tube. 850+ fill power down insulation (Responsible Down Standard certified) with Ultra Dry Down treatment improves moisture responsiveness and maintains loft and performance. The ultra-lightweight 10D nylon shell and perfluorinated-free durable water-repellent (DWR) finish maintain high water resistance in the hood and footbox. The breathable 10D nylon liner minimizes weight and bulk. The women's design features a shorter length, narrower shoulders, and wider hips for enhanced thermal efficiency. The down chamber is mapped to female physiological functions to maximize warmth. The 45-degree bag features a sewn construction for lightweight comfort. Guaranteed for use from Sea to Summit. The Sea to Summit Spark Women's Down Sleeping Bag is a technical down bag for backpacking, bikepacking, and touring. Its contoured mummy style features a shaped hood and zippered draft tube to retain cold and warmth. High-loft, 850+ fill-power down insulation (Responsible Down Standard certified) is treated with a proprietary non-PFC Ultra Dry Down treatment to improve moisture responsiveness and maintain loft and performance even in harsh conditions. Women-specific design features a shorter length, narrower shoulders, and wider hips to eliminate dead space and enhance thermal efficiency. The down chambers are mapped to female physiological functions to maximize warmth. A highly breathable 10D nylon liner fabric provides cutting-edge comfort. The 10D nylon shell has a non-PFC, durable water-repellent finish to prevent moisture. The Sea to Summit Spark Women's Down Sleeping Bag is available in two sizes: Regular (maximum height 5'7" and Long (maximum height 6') and 45 degrees. It has three temperature ratings: 30°C, 15°C, and 30°C. It comes with a compression bag and storage cube. Sea to Summit products are guaranteed against material and workmanship defects for the product's lifespan.