Hi Mary,
This link might help you sort out the tennis shoe terms
shoe terms glossary PDF sorting out the contents
a little biased toward thier brand but good technical information
http://www.bigfeetstuff.com/Shoe%20Terms/Big%20Feet%20Store%20Shoe%
20Terms%20Glossary.pdf
also ethlylene used to speed the ripening of fruits is known to
increase their allergic properties...not sure if this formulation has
any relation off the top of my head. Hope this helps
Heather, Co-moderator Latex Allergy Forum
http://groups.yahoo.com/group/LAForum/