In Cambodia that is needed is essential !!!
The climate cambodian knows two seasons: the wet and the dry season ... both are hot !!! Will therefore always pleasant to bring short-sleeved shirts and pants just below the knee.
comfortable sandals and all 'occurrence hiking boots, if you ever decide to activities of this kind.
The flip-flops will solve definitely many situations.
A "skin" for documents could in some occasions take away the thoughts !!!
During the rainy season will be more welcome an umbrella with a raincoat and a hat and lightweight ventilated will be almost essential in some sunny days. And all that will be forgotten ... will be available in all markets at prices much lower than the rest of the world.