The Glove That Pulls Double Duty Reversible: BLACK-FIRE* has both a black side and a high-visibility orange side you can use when directing traffic or working in low-visibility situations. Breach Detection: Proprietary QUICK CHECK* technology lets you quickly spot breaches in protection caused by cuts and tears. Contamination Alert: It’s easy to identify used contaminated gloves since the opposite color is revealed when a glove is removed.