Adjustable brim: The brim of the hat can be adjusted by 360 , which can be freely adjusted as required, taking into account the field of vision, and offers the face more protection. The technical sun protection fabric with a thickness of 0.2 mm is light and non-load-bearing and feels as comfortable as two-layer skin. The sweat-absorbing belt is made of soft and comfortable material, empty top and breathable material that is not stuffy and hot. A layer of polycarbonate fiberboard is added to the double layer style and the sun protection is even stronger. Specification: Style: single layer / double layer Color: blue, purple, pink, green, rose red Material: 80.6% nylon, 19.4% elastane Size: hat circumference 56-60CM, hat brim 15CM, hat depth 10CM Washing instructions: the highest water temperature is 30 degrees, do not bleach, hang to dry, iron at 110 degrees