My LO is 6 months old and was using a small memory foam pillow to help with his flat head. He recently has moved into his cot bed where there is plenty of room to roll about so I no longer want him to use this pillow. It is not breathable and the manufacturer states not to use it with a baby that can roll over. Thing is he loves his pillow and I was wondering if anyone knew of a baby pillow that was breathable and therefore safe to use with a more mobile baby?