Kahr CW9 / CW40 Handgun Concealed CCW IWB Black Kydex Holster. Every IWB Holster is hand molded to fit each specific model. All IWB holsters come with a sweat guard and has an adjustable cant system built into it. They weigh just over 2oz, they are very slim and stream line so there is no excess bulk! With the adjustable cant you can use our IWB holsters to fit any position that’s comfortable for you.