Warning: Once you start painting/diy-ing your shoes, it's hard to stop, because there are so many fun designs and patterns that you'll just have to try. :)
With that, let's get started.
Step 1: Acquire Shoes and Materials
The color doesn't really matter as long as the paint colours you've chosen work with your shoe color.
You'll need three acrylic paint colours, including a white. (Mine were white, blue, and brown.) I like when they're contrasting, but similar colours should work, as well.
Next, some brushes and/or sponges. In the photo, I have sponges, but later on I switched to thinner brushes, because it was easier to get the line I wanted.
Masking or painter's tape for cleanliness.
Pencil and paper will also come in handy.
Step 2: Prep Your Shoes
To avoid weird blobs of paint all over the sole of your shoes, cover them with your masking/painter's tape.
Step 3: Sketching
You may want sketch a design of what the ikat print will look like. It doesn't have to be a perfect blueprint for what you're going to do, but just something to get you familiar with the shape.
Step 4: Start Painting!
You have three colors, white (A), B, and C.
Start with A, and make a shape that's a cross-between a diamond and a Christmas tree, and then fill it in. Make 6-9 of these shapes placed around the shoe.
Next, take color B and fill in a bit of the shape you made with color A. This doesn't have to be very neat. Do the same to all the other color A shapes.
Finally, take color C, and outline the color A shape. It can overlap a bit. Then, put some color C on the color B section, to finish it off. Repeat on the rest of the shapes.
Paint the other shoe in the same way.
Step 5: Let Them Dry, and You're Done
The shoes are done when they're dry, so you can take off the tape, and put the laces back.
Note: The shoes aren't waterproof until you waterproof them yourself, so if it's a rainy day, be careful not to get them too wet.
Have fun, and share pictures if you try this yourself!