A classic five-pocket pair of blue jeans traditionally has five pockets.
The standard arrangement includes two front pockets, two back pockets, and the small watch pocket inside one front pocket. This layout became one of the most recognizable design features of traditional jeans.
The small pocket was originally associated with carrying a pocket watch, although modern wearers commonly use it for coins or other small objects. Rivets reinforce vulnerable points on the larger pockets, helping the garment withstand hard use.
Not every modern jean follows the classic arrangement. Fashion designs may remove pockets, add cargo pockets, or use decorative versions. The phrase five-pocket jeans refers to the traditional pattern rather than a rule applying to every pair of denim trousers.