For quick-draw action, the Uncle Mike's Size 10 Inside-the-Waistband Holster features a fold-over hook-and-loop retention strap that keeps your gun in place, while releasing quickly with your thumb. Made of 4 layers of ultrathin laminate for light weight and durability, this holster features a smooth nylon lining for quick draw and an internal moisture barrier that prevents perspiration from transmitting to your gun. Clips to most belt sizes and fits most .22 - .25 caliber automatic handguns. Size 10.