

Mammut Recovery Series sleeping bags
Crafted to deliver optimal physical recovery, Recovery Series sleeping bags feature a completely revised shape; with more space in the upper body and elbow areas for greater freedom of movement and a more natural sleeping position.
Comments
8 hours without waking!
I don't even get that at home. That's a crazy benchmark. How about 'you do not feel the need to eat more food to keep warm or manoeuver the dog so she's sleeping on your feet / head (whichever it the coldest)'