A mobile device and holster system includes a mobile device that has a front face and a back face opposite the front face, the back face including an elastomeric layer. A pair of longitudinal sides are coupled to the front face and back face, and a pair of latitudinal sides are also coupled to the front face and back face. The back face or the longitudinal sides define a recessed slot extending along a longitudinal length of the back face or longitudinal sides, respectively. The recessed slot defines an open end at at least one of the latitudinal sides and the recessed slot has a recessed slot surface that comprises a low-friction material. The holster comprises a pocket defining an open top end configured to receive the mobile device. A rail extends longitudinally along an interior side of the pocket, and the rail is configured to correspond with and slidably engage the slot on the mobile device.