Originally Posted by
flitcraft
I think you are right that some clothing--especially knits--have a tendency to pill when exposed to friction from other items. One of the big offenders is Travelsmith's little black dress--it washes and dries in a flash in a sink and refuses to wrinkle even when balled up in luggage. So it would be a perfect travel companion except for the fact that the fabric pills at the slightest provocation. I have a nice diagonal band of pilling across the front of it from wearing my seat belt!
I've given up on nylon based travel knits--they don't play well with others.