New Waves sixties psychedelic Acid LSD Op Art T-Shirt Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat New Waves sixties psychedelic Acid LSD Op Art T-Shirt Swinging Groovie Baby - this is a gratefull retro 60's Psychodelic shirt with New Dead Black and White waves structure like the Op Art designs in the late sixties. Lightweight, Classic fit, Double-needle sleeve and bottom hem