Layering up is a great strategy for staying warm on the trail, and it’s no different in your tent. We designed the Tracker 5 Sleeping Bag with an added layer of fill in the footbox, because we know firsthand how an extra layer can make all the difference when you’re trying to stay warm. The hood is designed to pull in tightly around your face for added warmth. The sturdy shell and cozy liner make it the sleeping bag of your dreams. Layer up with the Tracker 5 Mummy Sleeping Bag, by TETON Sports.