Nature has barely woken from its winter sleep and you re already off on your next adventure it s a good job you have your jack wolfskin campfire 11 sleeping bag with you this special winter sleeping bag doubles as a warm onesie for evenings round the campfire in icy cold temperatures quarter length zips on both sides make it easy to slip into and when you want to heat your soup up in front of your tent at night stick your arms through the zips and you can handle your cooking utensils easy if