Related Clues:

• Marching as a column, stopped by soldier maybe at an early stage
• Popular headgear for supporter, perhaps, is not entirely sensible
• Very silly wearing hat to keep cool
• Ridiculously faint line is childish
• Trendy cool hat is childish
• Childish supporter wearing fashionable piece
• Incredibly faint line is childish
• Like children lined up around worker?
• Childishly immature
• Popular enthusiast playing piece that's childish
• Immature supporter wearing trendy hat
• Childish supporter wears trendy hat