Oversized draft collar and Insotect Flow vertical baffles
Stretch construction at knees
Cotton storage bag and drawstring stuff sack included
Details: Nemo Sonic -20 Degree Down Sleeping Bag - The Nemo Sonic -20 Degree Down Sleeping Bag is just what you need after a long day in the mountains. Featuring high-end materials and 850 fill power down insulation; the Sonic is designed to accommodate even side-sleepers thanks to stretch construction at the knees.