Breathable & Quick Dry Cap: moisture-wicking feature keeps your head dry and comfortable. The mesh baseball cap dries quickly after washing and getting wet, allowing you to use it on a daily basis. Adjustable Design: Loop closure, allows you to adjust the hat to fit your head, not easy to fall off during exercise; the breathable baseball cap fits for head circumference measures 55-62 cm, flexible size makes it fit most people. Scope of Application: this running hat is the ideal companion for your daily outdoor activities, suitable for climbing, mountaineering, cycling, running, fishing, camping, etc., and able to be worn for a long time. Practical & Stylish: Classic minimalist look, allows you to wear it for parties, dates, trips, carnivals, and other casual or formal occasions; It not only provides the ideal sun protection but also shows your personal characteristics and aesthetic taste. Breathable Material: Our sports baseball cap is made of quality polyester fibre material, soft and lightweight, breathable and portable, and not easy to deform, bringing you a cool user experience in the hot weather.