Knock Em Red amped up the voltage with this electrifying red and orange shimmer. For 45 years, OPI has created bestselling, globally renowned nail shades, from Funny Bunny to Big Apple Red. To celebrate this major anniversary, OPI launches the OPIcons Collection for Spring 2026, featuring remixed versions of some of the brand’s most iconic colors. Up to 11 days of gel-like wear and shine thanks to pre-cured gel technology. Comfortable application with extra-wide ProWide brush.