A shoulder holster is a type of firearm holster designed to be worn under the arm, allowing the gun to be carried horizontally across the body. This style distributes the weight of the firearm evenly, making it comfortable for extended wear. Shoulder holsters are often used by law enforcement and military personnel, as well as civilians who prefer concealed carry. These holsters typically consist of straps that go over the shoulders and connect to a holster on the opposite side. They can accommodate various types of firearms, including handguns like Glock or Sig Sauer. Many shoulder holsters also feature additional pouches for carrying extra magazines or accessories.