In reply to stujamo:
Tuffmap is printed under license from the OS.
Active maps are actually printed by the OS.
Only real difference is that tuffmap doesn't have the sleeve (cover) attached but comes in a pouch, where's active maps have the cover attached.
I also think Tuffmaps may be a little more difficult to fold, not sure if the laminating process is different (thicker perhaps) or not, and haven't compared them side by side, but did find my friends tuffmap a bit harder to fold last weekend than my active map (of a different area).