1. This children's open-topped baseball cap is designed specifically for children and is suitable for wearing in spring and summer. It has a variety of practical functions to meet the needs of children during outdoor activities. 2. In terms of design, the cap has a round - topped style with a curved brim. It is both fashionable and versatile. This style combines street and personalized elements, allowing children to show their unique charm. 3. Regarding the fabric, polyester fiber is selected, with the main fabric component content exceeding 96%. This fabric has functions such as sun protection, quick - drying, breathability, protection, wind resistance, and sunshading. When children are outdoors, it can effectively block ultraviolet rays, keep their heads dry, and allow the skin to breathe freely. Even in hot summers, children can feel comfortable. 4. It is available in multiple sizes, including S (52 - 54 cm) and M (56 - 58 cm), suitable for children with different head circumferences. It has a wide range of applicable ages, from 1 - 2 years old to over 10 years old. Children of all ages can find a suitable hat. Whether it's for daily outings, sports, or outdoor activities, this hat is a good choice. It is both practical and fashionable, enabling children to add a unique sense of style while enjoying the summer.