The Marmot Never Winter Sleeping Bag is a lightweight (2 lbs., 2 oz.) fully featured, down sleeping bag, rated to 30 degrees for Spring, Summer and Fall adventures. Key features include 650 fill weight down insulation that is treated to resist moisture, provide improved loft and faster drying, a down-filled collar, draft tube, collar, roomy foot box and much more. Includes a compression stuff sack, storage sack and a limited lifetime warranty.
Down Defender Technology
Marmot Down Defender is an insurance policy for your down products. This specially treated highly water-resistant down offers an extra level of moisture protection for down exposed to wet environments. Down Defender helps prevent down from clumping and losing its loft when exposed to water, thereby greatly increasing its ability to keep you warm and comfortable.
The treatment coats the individual plumes of the down cluster with a DWR (durable water repellent) at the molecular level. It puts a hydrophobic layer on each individual plume of the cluster. This treatment is done during the down cleaning process. The finish is extremely durable allowing the down to maintain its water repellency over 20 washes. The treatment also enhances the down's integrity and the durability of the cluster helping to increase its longevity.