Blisters, sprains, and cuts are part of the trail. But miles from a road, even minor injuries can become serious without the right supplies. A well-stocked first aid kit designed for backcountry use keeps small problems from becoming emergencies.

Weather in the mountains can shift without warning. Hypothermia is a real risk even in summer at elevation. Compact emergency shelter, warmth, and fire-starting tools weigh almost nothing but can save your life when conditions turn.