A tactical cummerbund for use with a tactical vest having a right, front vest connector and a left, front vest connector. The cummerbund includes an elastic connecting band and a protective right side portion and protective left side portion which connect to opposite ends of the connecting band. The connecting band may be positioned in the center of a channel in the back panel of the tactical vest such that it is protected from the elements. The connections of the right side portion and left side portion to the connecting band are adjustable to adjust the girth of the cummerbund.