Nemo Sonic Down 0 Degree Mummy Sleeping BagSonic 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

The Southern Marsh mallard silhouette logo on the back combines with our Authentic logo on the front pocket to make the perfect Southern shirt

Full-length

We also included extra stretch

Zip-fly with a snap closure

hubbed pole set with color-matched webbing on the tent makes setup intuitive

Bag larger-than-life trail adventures in the Lone Peak 8

Comfort that keeps you going

Easy-to-Use

Still made from the same durable materials as the rest of the Classic cooler bag family

7/8 length

100% carbon neutral

Draw cord for flexible fit