The Guardian™ glove meets O.S.H.A. Blood Borne Pathogens Standard (29CFR 1910.1030) and protects your hands from deadly microorganisms such as HIV, TB, Hepatitis, Staph, etc. Protection comes from a Hipora® breathable fluid proof liner sewn into a premium leather shell. The elasticized wrist-length cuff will not interfere with shirt cuffs. Test results are available regarding the 100% effectiveness of the Hipora® liner.