Size:56-58cm Comfortable to wear: these sports visor hats are made of cotton fabric, which is breathable and skin-friendly durable to wear, interior sweatband can keep kid's head dry and comfortable, lightweight material and pre-curved design can bring kids comfortable wearing Adjustable size: the sun visor hats come with adjustable magic tapes at back, easy to adjust and fit most kids' head sizes comfortably, which is convenient to wear and will not make kids feel too tight or loose Nice sun protection: the adjustable baseball hat with the front brim can preserve kids' eyes and facial skin from harmful UV rays during outdoor activities, which will not block the sight at the same time; The summer hats can also absorb sweat and keep the kids comfortable Applicable occasions: the unisex running tennis hats can be matched to all kinds of outfits like casual daily wear, shirt or sweatshirt, suitable for camping, fishing, traveling, playing tennis, playing golf, hiking, cycling, jogging and other outdoor activities, helping kids to enjoy outdoor time