The Evolution series is a passive retention holster that includes a retention adjustment screw. The tension screw is not pre-set and allows for retention pressure to be adjusted based upon personal preference. When un-holstering, do so in a deliberate and rapid upward motion. Passive retention is automatically engaged upon re-holstering. Features: Passive retention, 1-piece holster body construction Retention adjustment screw with passive retention Protected sight channel Low profile design for concealability Rubberized paddle backing for extra stability and comfort Reinforced rivet attachment