Sonic™ Down Mummy Sleeping Bag (0F / -18C) Sizes:REG Integrated FlapJacket cover for lidless

Integrated FlapJacket cover for lidless use

it is the optimal ignition fuel that will burn extremely hot and slow – and can also withstand moisture and water

while the insulation provides optimal thermal regulation

Highly versatile means the gravity system is designed with every occasion in mind

Sonic™ Down Mummy Sleeping Bag (0F / -18C) Sizes:REG Integrated FlapJacket cover for lidlessSonic 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