Handsewn beanie from onesie

Since wind was not going to keep my 3.5 year old inside I was in serious need of a beanie. Baby sons soon-to-be-outgrown onesie (size 3-6 months) turned out to be great basis and it led me from this onesie (can you believe this print?):

to this handsewn beanie:

For more upcycled head gear inspiration see my Double-layer knit hat