The safe nights comfort foam free cot bed mattress provides the ideal environment to maintain optimum temperature throughout the night with highly breathable materials for added safety the new foam free mattress features an airstream i fibre core which is safer for babies it also has an innovative hi tech 3d mesh microquilted cover allowing a free flow of air so babies can breathe freely through the material for a safer nights sleepthe foam free cot mattress provides a naturally hypoaller