Trucker hat has two main styles. The first one is the hat tube is deep, the hat is narrow and rolled, and the decorative flower near the brim is gorgeous and exaggerated. Trucker hat is accompanied by a georgette printed low-waist dress, which is especially retro-like in the 1930s and 1940s. . Another kind of narrow-necked hat, also known as a fishing cap, is mainly made of cotton, and the side of the front of the hat is turned up, which has a full summer leisure feeling.