Getting stuck outdoors without food is not ideal. The RecPak Performance Emergency Meal Kit can keep you going for a while. These have 700 calories with 42 grams of protein from whey, casein, and collagen. This MRE replacement meal is ready to drink in seconds. Just add water, shake, and you are set.
These have a shelf life of 18 months. The pouch is resealable. You can even use it as a collapsible water bottle. You can get these in vanilla chai, coffee and chocolate flavors.