The Secret to Hulk’s Pants is… Spider-Man?!

Overview

We all know how HULK can transform from human to giant green monster in the course of seconds (hint: it’s gamma radiation). But, what's the secret to his pants transforming like they do? She-Hulk explains this away as just “spandex,” but there’s NO way that I’m buying that! This is what I think his pants are really made of…