How to Make an Ash Ketchum Costume – Pants

This year my son want to be Ash Ketchum for Halloween. Ash is the main character from the Pokemon tv series. Each series of Pokemon show Ash has a different outfit. My son chose the X&Y series outfit for his costume.

Of course there is no pattern for this costume. I started by looking for patterns that had some similar appearance to Ash’s clothing.


I chose Oliver + S Field Trip Cargo Pants [and Raglan T-Shirt] for the pattern. I had to make a lot of changes. I moved the side seam forward so I could attach the pocket in the seam. I kept the bottom seam for the top front pants but also used the same seam on the back. The bottom the I kept the simple but I had to move the horizontal seams.

Here is a quick pictorial on how I assembled it.

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