Alien Gear's ShapeShift Core Carry Pack is the foundation of the ShapeShift Modular Holster System and includes everything you need to carry in four distinct ways. In just a few quick steps, quickly transform the ShapeShift into an IWB holster, appendix carry holster, OWB belt slide and OWB paddle holster. The Core Carry Pack also includes a bonus holster mount and an ergonomic thumb release which gives you the option to carry using active retention. The IWB holster features a stainless-steel core and a soft CoolVent neoprene base, while its shell of the modular holster attaches to the base with a single mounting point.