Halyard Blue Nitrile Exam Gloves. Safeskin Blue Nitrile is a high-performing, latex-free exam glove for use in diverse clinical settings. Free of rubber latex, this powder free glove is made of acrylonitrile-butadine, which minimizes the potential for allergic reactions to latex proteins. It’s specially designed for superb fit and comfort during extended wear. Blue Nitrile also boasts a low dermatitis potential, with reduced chance to sensitize users to chemical additives.