KLEENGUARD® XP1 coveralls are made from a breathable, microporous film laminate. They provide 100% holdout of dry particles down to 0.3 micrometers; compared with 88.4% holdout of the same sized particles provided by flashspun polyethylene garments. They also provide 67% better liquid protection as proven by AATCC127-194 test method. Kimberly-Clark Professional 1400 Holcomb Bridge Road Roswell, GA, 30076