Bulldog's Extreme holsters have four wall construction. The outer wall fabric is heavy-duty, water-resistant nylon and the inner wall has a vinyl vapor barrier with deluxe padding and a soft, scratch-resistant fabric. It has a spine protector to keep gun sights from tearing the inner lining. Fits large frame w/6.50-8.37" barrels.Specifications:Gun Type: HandgunBarrel Lengths: 6.50-8.37"Material: NylonFirearm Fit: S&W K/L/N FrameStyle: OWBMount Type: Belt Loop/ClipModel: ExtremeHand: AmbidextrousColor: Black