1.Practical designs: the adjustable sun visor hats feature ponytail holes and make it convenient for you to pull put your ponytails and buns to keep your hair organized and dry; And the mesh back design makes them trucker hats more breathable and can bring you comfortable wearing experiences 2.Breathable and durable: mainly made of fabric and polyester, the messy high bun baseball caps are lightweight and breathable, durable and comfortable to wear; The baseball hats are washable and the vivid colors will not fade easily, you can wear them for a long time 3.Adjustable and comfortable: these mesh back trucker hats measure approx. 58-60 cm/ 22.8-23.6 inches in head circumference and they are designed with hook and loop designs on the back, easily adjustable and suitable for most women and teen girls 4.Multiple applications: the adjustable ponytail baseball hats protecting your head and face from the sunlight without blocking your view, suitable for beach trips, pool parties, working outside, music festivals, sports activities, gardening, walking your dogs, camping, hiking and so on