0-degree Fahrenheit (-18-degree Celsius) down sleeping bag for 4-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 4.45 pounds; Ultra-Sil compression sack included; Sea to Summit Guarantee is offered for the Lifetime of this product
