6 Panels with 6 Embroidered Ventilation EyeletsSelf-fabric Adjustable Slide Closure with BuckleOne Size Fits MostGREAT QUALITY -- 6 Panel 6 Eyelets Structure. As fishing, climbing, hiking, walking, running, boating, going on trip, and so on all outdoor activities, accelerate sweat evaporation. Soft cotton makes perfect cap for anywhere you go Vintage 1989 Embroidered 33rd Birthday Adjustable Cotton Cap