The utility model relates to the technical field of clothes and garments, in particular to a photochromic hat which comprises a hat top, a hat brim and an auxiliary
assembly, the hat brim is fixedly connected with the outer circumference of the hat top, the auxiliary
assembly is arranged on the surface of the hat brim and comprises a female snap
fastener, a through hole is formed in the surface of the hat brim, and the female snap
fastener is arranged in the through hole. The inner wall, located in the through hole, of the hat brim is fixedly connected with a mother snap
fastener, the inner wall of the mother snap fastener is provided with a son snap fastener, the lower surface of the son snap fastener is fixedly connected with a connecting
rope, the surface of the connecting
rope is sleeved with a limiting cloth sleeve, the surface of the limiting cloth sleeve is fixedly connected with a protective
gasket, and the surface of the connecting
rope is fixedly connected with balance weight particles. According to the hat, the auxiliary
assembly and the binding assembly are arranged, so that the contact area between the rope and a wearer is increased, the problem that the neck of the wearer is easily tightened by the rope when the hat is fixed by adopting the rope is solved, and the wearing comfort of the hat is further improved.