All-In-Two nappies (something called Hybrid nappies) are a relatively new invention in the cloth nappy world and we LOVE them for the flexibility they offer.  They are usually a nappy system which consist of a nappy wrap and different inserts you can add such as reusable inserts made of microfibre, cotton or hemp or disposable inserts.  They offer an economical choice as the wraps can be reused if not soiled and only the inserts need changed.