Crucial Concealment, Covert IWB, Inside Waistband Holster, Fits Sig 365 X-Macro, Ambidextrous, Kydex Construction, Black Ambidextrous Trigger Bump Fully Adjustable Cant Adjustable Retention Optic Compatible Product Description The Covert IWB holster is a simple and effective way to carry inside the waistband (IWB). With an overall minimalistic design, this holster delivers necessary concealment without compromising comfort.