Nemo Sonic Down Mummy Sleeping Bag - 0°F Size:Regular - two LOCK functions to

- two LOCK functions to avoid accidentally turning it on

With a gusseted seat and articulated knees

especially on traverses and in challenging conditions

Filling: Supreme Microloft: 100% polyester

D-ring for easy attachment

Nemo Sonic Down Mummy Sleeping Bag - 0°F Size:Regular - two LOCK functions toSonic is built to be the only bag you need from 20F to 40F. The Backpacker Editors Choice award winning big mountain bag offers exceptional warmth and tuneability with a reduced environmental impact. This bag features our 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. Sonics chevron baffle construction better