This harness is a replacement item for the #X15 vertical shoulder holster. Constructed of soft and pliable chrome tanned leather with a 3/4" elastic strap. The ends of the harness uniquely weave onto the holster providing a secure attachment. This harness is fully adjustable under the arm and across the back. It is offered in the standard size that fits up to 48 inch chests. A second size fits up to 52 inch chests.