Sea to Summit Trek Women's Down Sleeping Bag

- nylon - Imported - 15-degree Fahrenheit (-9-degree Celsius) down sleeping bag for 3-season camping, backpacking, and trekking; mummy style features shaped hood and zipper draft tube - 650+ fill power duck down insulation (Responsible Down Standard certified) is treated with a non-PFC Ultra-Dry Down treatment to improve reaction to moisture, retaining loft and performance - Recycled 20D polyester shell with a non-PFC durable water repellent (DWR) finish blocks wind and moisture; polyester liner provides pure comfort - Women's design features shorter length and narrower shoulders to increase thermal efficiency; down chambers are mapped to a woman's physiology to maximize warmth; Free Flow Zip System offers great temperature regulation and multiple sleeping bag configurations - Regular size bag is 71.3 inches long and weighs 3.79 pounds; Ultra-Sil compression sack included; Sea to Summit Guarantee is offered for the Lifetime of this product