Sonic™ Down Mummy Sleeping Bag (-20F / -29C) Sizes:REG Collapses down to 4

Collapses down to 4

Silicone Major Dimension 25

Shorter front than conventional children’s vests for enhanced comfort when sitting

5 oz Fill weight (Metric) 0

WAAS-enabled GPS receiver and HotFix® satellite prediction

Sonic™ Down Mummy Sleeping Bag (-20F / -29C) Sizes:REG Collapses down to 4Sonic 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