If you are moderately fit and possess a spirit for adventure, this is the style for you. All accommodation will be clean, comfortable and conveniently located. The focus of these trips are the travel experiences and places you visit and not about where you stay.
If you are reasonably fit and have an interest in remote and challenging environments, this is the style for you. Some previous experience is advisable. Due to the remote locations, accommodation is more basic, it is all bout the challenge.
If you have a good level of fitness and are looking for a physical challenge, this is the style for you. Previous experience is essential for activity based trips.