You could go the traditional 'penguin suit' but we all know they are a little stuffy. Try this airy inflatable Penguin suit on for size and become the adorable Antarctic bird.
Plastic inflatable jumpsuit with sewn in white panel for belly, elastic in sleeves to hold air in and large bowtie attached
Hood with drawstring around face, printed facial features and attached crown
Legs with inflatable feet and elastic to keep air in
Inflates using a battery operated fan. Requires 4 AA batteries, not included
This is an official Rubie's product