Before a trip, you need to prepare a travel wardrobe. Men's wardrobe consists of shoes, bottoms, tops, layers and shoes. Two pairs of shoes will be enough for most trips. Tops should be a dress shirt, a casual button-up, a polo, and a T-shirt. Outerwear, sweaters, and jackets are variable depending on the weather. The two things you need are a blazer or sport coat and a sweater.