Raincoat or Windbreakers . Sun hat . A good guide book on Tibet Kathmandu Lhasa route map. This can take from a few hours to a couple of days, depending on an individual. Take it lightly, but drink plenty of non-alcoholic liquids.
Proper hydration is critical to acclimatization.
We also recommend you to carry a strip of diamax tablet. Money can be exchanged at the Bank of China at Zhangmu, Xigatse and Lhasa. The hotels also change money for you. The airport tax at present is USD 12 per person. We process the visa for you.