Hats not only add style to your outfit but also serve as functional accessories to protect you from the sun or keep you warm during colder seasons. However, finding the perfect hat that fits your head size, complements your face shape, and suits your personal style can be a challenging task. First of all you need to consider the material of the hat, as it affects both the style and functionality. Hats made from cotton or any lightweight fabrics are great for warm weather, while wool or denim hats are more suitable for colder seasons.