Psychedelic shirts are a form of apparel with colorful, abstract, or surreal patterns inspired by the visual effects of psychedelic substances. These shirts are frequently connected with countercultural or alternative fashion styles, as they contain strong patterns, geometric designs, and brilliant colors. They can be worn as a form of self-expression or to indicate support for specific causes or ideas. Many psychedelic shirts are made of cotton or other natural fabrics and come in a variety of sizes and shapes to fit different tastes and body types.