Sonic Down Mummy Sleeping Bag brand-The Mountain Air The Ultralight Master Cams are

The Ultralight Master Cams are twenty percent lighter than the originals

S children above age 7

Despite only weighing an ounce or two above 3 pounds

giving you the perfect hang

Sonic Down Mummy Sleeping Bag brand-The Mountain Air The Ultralight Master Cams areBuilt to be the only bag you need from 0F to 40F, weve updated our Backpacker Editors Choice award winning big mountain bag, Sonic, for even greater warmth, tuneability, and reduced environmental impact. With this bag, we are launching our next generation Thermo Gills with a new multi stage zipper system that dramatically increases the usable temperature range of the bag and allows fine tuning of comfort from within the bag. Sonics new chevron baffle