The 5.11/Blade-Tech Revolution Holsters can withstand temperatures over 300'ordm; F without distortion and offer the look, feel and fit of a custom holster. The Blade-Tech Revoluation Holster is made with a toughened polymer that withstands temperatures of over 300 degrees fahrenheit without distortion. The Revolution Holsters blend old-world craftsmanship with advanced injection molding techniques. This secure, Level 1 retention holster produces an audible click as the gun is holstered and comes with an adjustable belt loop attachment and a paddle attachment.