* Firm kids mattress* Miracoil springs* Breathable EcoComfort Fibres™* HypoallergenicThey'll sleep snug, supported and fresh on this brilliant mattress!EcoMemory Fibres™ cocoon your little one's body shape as they sleep for enhanced comfort, while the firm miracoil springs offer head-to-toe support. The sumptuous quilted sleep surface, comfort layer and border are highly breathable, promoting increased breathability and helping to regulate your child's body temperature. The individual pocket springs adapt to their posture, allowing your child to move freely whilst always supported. Enhanced breathability, promoting free flow of air to help regulate your little one’s body temperature throughout the night, keeping them cool for a fresher, comfortable night’s sleep. Create the cleanest, safest and freshest sleeping environment for your child with a hypoallergenic, foam and FR chemical treatment-free bed.