Euro top cushioning paired with superior support makes the Serta Witmere mattress a perfect fit for your child. Harnessing ultraplush PillowSoft foam, this mattress features innovative Cool Twist foam infused with cooling gel to dissipate heat while gently hugging their body. A system of individually wrapped coils at the core promotes healthy growth while minimizing the impact of movement to help them stay asleep longer. Using FireBlocker Fiber, this mattress harnesses a blend of natural and synthetic fibers to isolate the impact of a fire and limit its spread, bringing peace of mind to your sleep. BestEdge foam encasement extends the sleep surface by providing a deep foam rail to reduce roll-off. 10 Year Non Pro-rated Warranty