Sonic™ Down Mummy Sleeping Bag (-20F / -29C) Sizes:REG and the adjustable strap provides

and the adjustable strap provides a secure fit

It offers protection

Dimensions: 5 5/8" (142mm) x 1 1/4" (31mm) (H)

PRO-TIP: Extremely dull blades should be re-profiled in one of the carbide slots before using the ceramic benchstone

Paddle Length: 170 cm - 210 cm

Sonic™ Down Mummy Sleeping Bag (-20F / -29C) Sizes:REG and the adjustable strap providesSonic 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