Material: 90% polyester and 10% spandex.
Feature: Breathable UV protection, function cooling, and fast-drying that keeps sweat out of your eyes. Ultimate thermal retention and performance moisture-wicking, even great for cold weather.
Size: The cap's size is approx 26*15.5cm/10.23"*6.1"soft, lightweight with good elasticity to fit melons of all shapes and sizes.