JO
But they are wearing matching outfits, the stripes are just muted dark colors.

The Bear Family book has this information about the song: Master recorded Nov 26, 1963. Album released Dec 30, 1963. Single, with "Seasons In The Sun" on the B side, released April 12, 1964.
"Undoubtedly the angriest song the Kingston Trio ever recorded, If You Don't Look Around became the last single from 'Time To Think', released to total radio indifference in April of 1964. Based on what his own eyes saw during 1963, John Stewart was issuing a challenge in song to those who turned their eyes and consciences away from the Civil Rights Movement. Like Coal Tattoo, If You Don't Look Around allowed the Trio to vent rage and despair, and turn it into art."