The gun in your possession needs good care and good display. Best iwb holster for shield can do the job for you. Your light weight and slim gun definitely needs a smart and practical holster and it can be the best kydex iwb holster.
Having custom iwb holsters can give you some extra experience of using a firearm. But, make sure that the best kydex iwb holster is light weight and made of non-slip material. So, design your best iwb holster for shield from Kydex and they would meet your requirements.