Possible Clues:

• Like many hand-colored T-shirts
• Like some '60s shirts
• Like some '60s fashions
• Like Dead threads?
• Psychedelic, in a way
• Like some Grateful Dead fans' attire
• Like some patchily coloured fabrics
• Like some parti-coloured fabrics
• Dead concert wear
• *Like some workhorse summer camp t-shirts