The Blackhawk Size 04 IWB Holster is a nylon inside-the-waistband holster for large and full-size autos. It uses a four-layer laminate with a moisture barrier and a smooth nylon draw side to keep the holster thin against the body. Features: Inside-the-waistband carry Four-layer laminate construction Internal moisture barrier Ultra-thin profile Smooth nylon draw side Size 04 fits large and full-size autos with roughly 4.5 to 5 inch barrels. Verify your model against Blackhawk's size 04 fit chart before ordering.