It's important to be prepared for any contingency, and you can do that by carrying a survival kit in your pack. Here, survival expert Don Mann explains the differences between survival kits for warm weather, cold climate, and overwater. Basic items for each are listed, as are the basic items that SEALs always take with them. Tips on how to prepare your kit and become familiar with its contents are covered. Mann also touches on basic food, water, shelter, fire-starting materials, first aid, and much more.