Casual summer attire typically includes lightweight and breathable fabrics to keep cool in warm weather. Common choices are t-shirts, tank tops, and shorts, often made from cotton or linen. Many people also opt for dresses or skirts that allow for easy movement and comfort. Footwear for casual summer outfits usually consists of sandals, flip-flops, or sneakers. Accessories like sunglasses and hats are popular for sun protection and style. Overall, the focus is on comfort and ease, making it perfect for outdoor activities or relaxed gatherings.