What colour is Wally’s hat’s bobble?

In the Where’s Wally books the colour of the bobble on Wally’s hat is red. Wally wears a white hat with a red bobble. His hat also has a red band going around it’s base.

Wally also wears a red and white stripped jumper.

In the United States of America and Canada Where’s Wally in known as Where’s Waldo.