Fisher Space Pen Non-Reflective Search & Rescue Cap-O-Matic Space Pen, Matte Black/Orange Line, M4BSROL

You have a map of the trail and plenty of water for a good day hike. You ascend to the top only to notice that youre running steadily out of daylight. During your descent you notice your water is almost out your phone is almost out of battery and the map is getting harder to read while losing light.