Answer:
It is drizzling so the main article you need is:
*Paraguas (umbrella).
Also you can complete your outfit wearing:
*Suéter (sweater)
*Chaqueta (jacket)
*Camiseta (shirt)
*Pantalón (pants)
Step-by-step explanation:
When it is raining you need to protect youself and avoid to get wet. So you have to protect your body using a jacket or sweater over your shirt. It is better if the jacket or sweater is waterproof. Also it is needed long pants and a pair of boots (it could be plastic boots ---botas plásticas---). Finally, the main outfit requieres for a soft rain (like a llovizna is) is the umbrella.