Possible Clues:

• It may carry a message
• Collarless pullover
• Collarless, pullover shirt
• Simple garment less than thirty shillings inside
• Gap purchase, maybe
• Casual garment like sleeved vest
• One place for a slogan
• Casual vest-like garment much worn by youth
• This scruffy, extremely racist garment
• Close-fitting pullover