Blue-footed Booby.

Blue-footed boobies are aptly named, and males take great pride in their fabulous feet. During mating rituals, male birds show off their feet to prospective mates with a high-stepping strut. The bluer the feet, the more attractive the mate.

.: 100% ring-spun cotton (fiber content may vary for different colors)
.: Light fabric (4.5 oz/yd² (153 g/m²))
.: Eurofit
.: Runs true to size