Simple"" yet robust. The Foundation Series Inner Belt is designed to interface directly with the Foundation Series Outer Gunbelt by way of hook and loop. The exterior surface of the Foundation Series Inner Belt is lined with loop and serves as a comfortable trouser belt when the user is not wearing their gunbelt. When the need arises to don your Foundation Gunbelt"" simply mate the hook portion of the gunbelt with the loop portion of the Foundation Series Inner Belt to create a fast and secure marriage between the two.