Elbeco short sleeve dark navy shirt now offers the most technologically-advanced poly-cotton twill fabric available in the public safety market the new TekTwill uniform fabric powered by NanoTex Resists Spills technology. TekTwill offers permanent water resistance while maintaining breathable comfort. This pioneering fabric technology also features uniform strength requirements, such as vat dyeing for superior color retention and dynamic stretch for unbeatable comfort. Nano technology is combined with a dynamic 8% stretch, offering unmatched give in this rugged 7 oz poly cotton twill blend uniform fabric.