Possible Clues:

• Two-piece garment often sported by athletes
• Runs in shoddy stuff clubs, perhaps, provided as sportswear
• Clothing worn by athletes especially during training
• Kit partly recorded songs out in Amsterdam
• Clubs perhaps go on line for sportswear
• Apparel seen at dog clubs, for example
• Follow clubs, perhaps, in sporting outfit
• Warm clothing in which to follow match
• Mourinho is this sort of manager
• Warm loose-fitting garment for exercising