CNN Popular Science has an entertaining story about Levi's Dockers claim on using Nanotechnology in their stain resistant Pants Line.
"We couldn't help thinking that Dockers might be using the word "nanotechnology" more for marketing muscle than for true scientific purposes, so we called its customer service line to ask a few pointed questions. Here's a slice of the conversation."
Read the full Phone Converstation with Dockers Customer Support
Check for Nanotechnology yourself:
Levi's Dockers Go Khaki Stain Defender at Amazon.com.