Ripstop material made from high-multi nylon "SUPPLEX" with a washer finish. It is lightweight and characterized by a very soft, cotton-like texture. This cap can be used all season, and the shirring makes it comfortable to wear and stylish. "SUPPLEX" The functional material SUPPLEX is ultralight, more quick-drying and breathable than cotton, and is resistant to fading and wrinkling. In addition to the high strength and durability of nylon, advanced fiber technology makes it 26-36% softer than standard nylon and also has UV protection. MADE IN JAPAN [material] Nylon: 100% [color] black [size] FREE [size spec] -F- Inner circumference 56.5cm - 59.5cm I wore it with a cap liner on for a short time 1-2 times. This is a used item, so please understand. Returns are not accepted, so please understand. OVY kaja deci