Find great kids sportswear including comfortable and durable shorts, shirts, tops, sweatpants and sweatshirts designed for physical activity. Choose from a large assortment of girls leggings from a wide variety of kids clothing brands in bright colors and prints to make dressing easy and fun. Girls athletic shorts are typically made of lightweight, breathable materials like polyester or mesh and are designed for maximum mobility. Leggings are also a great option that allows for optimal ease of movement and comfort.