NEMO Sonic Down Mummy 0deg Sleeping Bag

The NEMOA(R) Sonic Down Mummy Sleeping Bag is built to be the only bag you need when the weather turns frosty. The Backpacker Editors' Choice award-winning big-mountain bag offers exceptional warmth and tuneability with a reduced environmental impact. This bag features next-generation Thermo Gill vents, with a new multistage zipper system that dramatically increases the usable temperature range of the bag and allows fine-tuning of comfort from within. Sonic's chevron baffle construction better c