Concealed In the Pants Holster with Thumb Break Bagmaster - Beretta, Colt, Kimber, Walther and more Unbreakable, high-carbon spring-steel clip with low luster black oxide finish that resists reflections. Cordura Nylon layers bonded to a slender high density closed cell foam core. Cordura Nylon is less abradive to a gun's finish than leather or ballistic nylon. Quick-release, reinforced thumb-break - allows you to release the thumb-break and draw in one motion.