This is a DeSantis Gunhide Inside Waistband Holster known as the 028, model 028TA21Z0.
The Cozy Partner(R) features a tension device and precise molding for handgun retention. A memory band retains the holster's shape for easy one-handed re-holstering. 1 1/2" split belt loop is standard. Some models without tension device" memory band or split belt loop. Available in tan or black unlined leather. Must be worn with a belt. Belt loops are NOT adjustable nor available in smaller sizes. Memory band" split belt loop and tension device is available on most models. Some models are not available with these features.
Features:
Precise leather molding with a tension screw
Retention band around top of holster for easy reholstering
1 1/2 Belt loops