Safariland SPECIES, Inside Waistband Holster, Fits Taurus GX4, STX Plain Finish, Black, Laminate Construction, Right Hand 20-272-131 A new species of Boltaron holsters. A minimalist design offers a smaller package versus other IWB holsters. The enhanced material selection and design integration brings Safariland quality materials into this new species of IWB holsters. Dual functionality and tension adjustment allows users to personalize the holster fit, feel, and draw.