4F baseball cap Properties This women's baseball cap from 4F is perfect for everyday wear. It features a slightly curved, stiffened brim. Cotton jersey fabric. Adjustable rear buckle closure. Hemmed ventilation holes. Material: 100% cotton Color: pink;4F W baseball cap Properties: This women's baseball cap from 4F is perfect for everyday wear. It features a slightly curved, stiffened brim. Cotton jersey fabric. Adjustable rear buckle closure. Hemmed ventilation holes. material : 100% cotton Color: black