The inner of the diaper is also lined with a hemp / cotton topped with micro fleece. (simplymombailey.com)
On top of the overnight insert is a single layer of micro fleece. (themonarchmommy.com)
An outer layer of breathable, waterproof polyurethane laminated polyester (PUL), sewn to a butter soft micro fleece inner layer, so that only the softest of soft touches your baby's delicate skin. (cajinka.com)