This comfortable and discreet holster is made out of durable Kydex and designed specifically for the Glock 17 MOS with Streamlight TLR-7/7A/7X Light Red Dot Optic Cut. By using Kydex we are able to keep a thin of a profile as possible ensuring concealment under all kinds of clothing. Product Features Adjustable Retention, allows you to set the tension to your personal comfort. Adjustable Ride and Cant, allows for maximum flexibility in carry options. Adjustable Clip, up to 12 different positions. Protective Sweat Guard, minimizing the contact between your gun and your body. Secure Belt Clip, ensuring clean draws.