Nemo Sonic Down Mummy Sleeping Bag - 0°F Size:Regular a waterproof Gore-Tex membrane and

a waterproof Gore-Tex membrane and improved 3D chassis

- two LOCK functions to avoid accidentally turning it on

The suspended-mesh Airspeed Hikelite backpanel means hikers never have to worry about those soggy moments again

D-ring for easy attachment

With a gusseted seat and articulated knees

Nemo Sonic Down Mummy Sleeping Bag - 0°F Size:Regular a waterproof Gore-Tex membrane andSonic 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