1.STRETCH COMFORTABLE FIT: This hat is made of light-thin 4-way stretch tech fabric (Polyester), which is soft, quick drying and breathable, Unstructured stretch construction provides a comfortable fit. the buckle on the back is more durable, adjustable size best for 7-7 1/222"-23 5/8" 2.VENTILATION & QUICK DRYING: The laser-perforated back panels not only add style but also ventilation for better airflow to keep you cooler, quick drying fabric and soft wicking sweatband provides added comfort 3.2" LIGHT & SOFT BRIM: Self developed visor technology that not only thin and light, but also maintains the caps proper shape and curve at all times. 2 inches length provides better vision while blocking the sun. Unstructured design allows the hat to be folded into a backpack or pocket for easy carrying 4.LIGHTWEIGHT SPORTS CAP: The cap weighs only 1.8 ounces, light and comfortable. It is worn during daily or exercise without any weight-bearing feeling, And keep cool all the time 5.WIDELY USED SPORTS HAT: Our hats are available in multiple colors to meet different collocations. It is very suitable for daily activities and outdoor exercise, especially running, golf, gym, bushwalking, Jogging and so on. or playing baseball, cycling, fishing, It is a multifunctional sports hat