No sweat absorption, zero sun absorption, and no nasty smells - the ARGENTIUM technology is a little miracle worker because it has in-built UV blocking properties and opposes bacteria build-up by shifting sweat away from the core.The Women\'s Optic Short-sleeve tee from Berghaus is the quintessential baselayer top for running, jogging, hiking and cycling in.ARGENTIUM fabric technology - moisture-wickingOdour-resistantHighly breathable - be fresh and cool no matter how hard you\'re working, with the outstanding breathabilityShort-sleevesSuper stretch fabricFlattering - dropped hemFabric : 95% Polyester / 5% Elastane