No Vents

 Single Vent

 Double Vent

 Three Buttons

 Four Buttons

 Five Buttons

 Straight with Flaps

 Straight without Flaps

 Slanted with Flaps

 Slanted without Flaps

 No Pleats

 Single Pleats

 Double Pleats

 No Back Pockets

 Both Back Pockets

 Right Back Pocket

 Left Back Pocket

  No Pockets
 

 Slanted Pocket

 Straight Pocket

 Horizontal