The Nike Air Max 90 “University Gold” shown above marries Nike’s well-known golden yellow with what appears to be a beige, olive and black derivative of woodland camo. The red on this shoe may look ...

Why? Crowell surmises it has to do with camouflage. Birds, which can also see UV color, are one of snakes' biggest predators. Arboreal snakes move around and hunt at night, and sleep during the day.