Although we wear paint shirts in the Art Room sometimes out Master Pieces spread to our clothes.
Tips and Tricks:
Great Links to help get pastels out of clothes...
http://www.simplelifeandhome.com/2013/04/29/how-to-remove-art-pastel-stains-from-clothes-simple-life-and-home/
http://www.ehow.com/how_7434511_remove-pastel-oil-stains.html