5 1 1 vest is real. 5 1 1 The military and police brand is one of the outdoor brands of RoyalRobbins military and police equipment manufacturers in California, USA. It is a well-known manufacturer of outdoor products, and its company's 5 1 1 tactical clothing series has actually been out for 15 years, and has been favored by American law enforcement agencies and other tactical units because these clothes are not only durable, but also durable.