Material:Acrylic Feature:Dome Seasons:Spring,Summer,Autumn,Winter Function:Ultraviolet-Proof Size FREE SIZE (inch) : Length= 7.80 ; Width= 7.80 ; Diameter= 1560.00 ; Weight(kg)=0.1 ; High= 3.90 ; Stylish Ponytail Opening Mountain Embroidery Baseball Cap. Washed distressed design with breathable mesh for sun protection. Acrylic dome hat, perfect for spring, summer, autumn, and winter. Ultraviolet-proof and comfortable for all seasons. #Ponytail baseball cap, #Distressed mesh sun hat, #Breathable UV-proof cap, #Acrylic embroidery hat, #Dome cap for all seasons, #Washed sun hat, #Mountain embroidery cap, #Spring summer autumn winter hat, #Ultraviolet-proof baseball cap, #Ponytail opening cap,