indigofo seems like a possible typo or brand name error. If referring to Indigofera or Indigo clothing, these terms typically relate to denim products dyed using natural indigo. Indigo-dyed clothing is known for its rich color and durable quality. Manufacturers specializing in indigo goods often use traditional dyeing techniques and cater to both wholesale and retail markets. Businesses in fashion supply chains often source such goods through B2B platforms or local mills.