These are the Ten Essentials that are required for Search and Rescue. The list is also useful for anyone headed out on a hike.

1. Navigation — GPS, fully charged phone with off-line maps, map and compass

2. Whistle

3. Change of Clothing (non-cotton)

4. Two Light Sources (one must be hands free)

5. Personal First-Aid Supplies

6. Two Fire Sources (waterproof matches/lighter/candles)

7. Knife

8. Food for 48 Hours

9. 2 Liters of water

10. Emergency shelter

Additional Equipment:

1. Backpack

2. Leather Gloves

3. Eye Protection

4. Waterproof Paper and Pen

This REI Article Discusses the Ten Essentials