Sea to Summit Spark Down Sleeping Bag

For light packers who still want a comfortable night's rest, the Spark Down Sleeping Bag offers RDS-certified 850 fillpower goose down and non-PFC Ultra-Dry Down treatment. Its technical hood and zipper draft tube help keep you warm, while the 10 denier liner fabric provides breathability. The 10D shell, treated with non-PFC DWR, and water-repellent hood and footbox fabric guard against wind and condensation. The full-length zipper model can even be zipped to a Women's Spark for a cozy shared experience.