This is a DeSantis Gunhide Inside Waistband Holster known as the 159, model 159TA8JZ0.
Osprey(TM) is a trailing slot OWB/IWB holster built from premium tan saddle leather. The belt slots will fit belts up to 1 1/2" wide. The IWB strap is "cantable" and easily removed without tools. The #159 is available for medium and large autoloaders. ** PATENT PENDING**
Features:
Trailing slot OWB/IWB holster built from premium tan saddle leather
Belt strap accommodate up to a 1 1/2 belt;The IWB strap is cantable and can be easily removed without tools