You silly goose. Those aren't ducks on my shorts. LOOK! THEY'RE GONE. I DON'T EVEN HAVE A DUCK TO GIVE! The Duck Duck Gone Color Changing Swim Trunks respond to temperature changes to reveal (and conceal) the pattern. It's like a magic trick in your shorts. They're stretchy, comfy materials that stay up when you're in the pool so nothing else makes a sudden appearance. Pick up the Duck Duck Gone Color Changing Swim Trunks before they disappear.