He's got a thing for silky soft women's clothes. I've even moved them both out of the way, and he finds a way to pull them down. Once, he had the Target bag on his back and he was carrying it around like a tortoise shell.
When I can't find the lizard (which is surprisingly easy even though he's a big guy!), I usually check under the clothes in my closet. He's never happy when I wake him up by moving the bag aside.
Here's a video of him in my clothes bag: