This is a DeSantis Gunhide Inside Waistband Holster known as the 106, model 106NBB6Z0.
SOF-TUCK(TM) #106 is a new IWB/Tuck-able holster with adjustable cant. It can be worn strong side" cross draw or on the small of the back. It is built from soft" no-slip suede and reinforced at the top with premium saddle leather to aid in re-holstering. The #106 is available for most concealable hand guns in right and left hand.
Features:
Soft suede leather holster
Fully adjustable J style clip can allow the user to tuck their shirt behind the clip for full concealment
Clip can be adjusted for strong side, cross draw, or small of back
Memory band at the top of the holster for easy reholstering