What are the key features to consider when choosing cross bicycles for off-road adventures?

When choosing a cross bicycle for off-road adventures, key features to consider include the frame material (aluminum or carbon), tire width and tread for traction, suspension type (rigid or front suspension), gearing system for different terrains, and disc brakes for reliable stopping power. Additionally, consider the bike's weight, handlebar design for control, and overall durability for rough terrain.