Yes, you can wear a stylish windbreaker in the summer. However, they are typically made from heavier materials that offer more protection from the elements. If you are looking for a lighter option that you can easily pack away or layer under another piece of clothing, then a lighter-weight windbreaker may be a better choice. Wearing a windbreaker in the summer can actually be quite comfortable, as long as you choose one that is made from a light and breathable material. Additionally, many windbreakers come with features like a zippered chest pocket, zippered hand pockets, and an adjustable hood that can be helpful in protecting you from the sun and wind.