This is a DeSantis Gunhide Belt Holster known as the 1, model 001TA33Z0.
The firearm rides high and is presented at an optimum draw angle. Its thumb break and exact molding" together with a tension device" allows for a secure and highly concealable carry. Belt slots are 1 3/4" wide. Some models with two belt slots and without tension device.
Features:
Features three belt slots so you can have either straight up or a forward draw
Most models feature a tension screw so it can be as tight or as loose as the user wishes
Comes with a thumb break
Rides high and tight to the body