Sea to Summit Trek Down Sleeping Bag

- nylon - Imported - 30-degree Fahrenheit (-1-degree Celsius) down sleeping bag for 2-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 - Relaxed mummy shape offers more room between hips and knees for a natural sleeping position; Free Flow Zip System offers great temperature regulation and multiple sleeping bag configurations - Regular size bag has a max user height of six feet; bag weighs 2.63 pounds; Ultra-Sil compression sack included; Sea to Summit Guarantee is offered for the Lifetime of this product