Buckle closureTHICKNESS: medium thickness, suitable for all seasons.MATERIAL:100% cotton made. Adjustable buckle back closure, great fit for all head sizes.AN ELEVATED TAKE : pre-curved visor. A new elevated take on the classic baseball cap. Premium cotton, a hint of stretch, and a soft feel bring both luxury and comfort to your day.CAP HEIGHT: 9cm, brim: 7cm, cap: 55-59cm. There are adjustment buckles on the back, which can be adjusted appropriately, adjustable (55-60CM).ADJUSTABLE BUCKLE CLOSURE : one size fits most, comfortable everyday fit. Use the convenient closure to custom fit the baseball cap to your head and ensure maximum comfort and a secure fit at all times. The design makes it suitably perfect for both men and women.