The hybrid Seabrook Island 13’’ mattress offers exceptional cooling, memory foam support, and sustainable sleep features for your perfect rest. Its comfort level includes a thicker plush foam layer that is perfect for side sleepers. InfiniCool® LUX technology helps you stay comfortably cool all night with maximum cooling with plant-based cooling technology and Bio-Charcoal cooling foam. Rest easy on top of two layers Beautyrest® ActiveResponse™️ Memory Foam, which conforms to your body shape and greatly helps alleviate aches and pains. The Precision Support System™️ features 1255 Series T2 Pocketed Coil® Technology, offering head-to-toe support and advanced motion isolation, so you won’t disturb your partner's sleep. Seabrook Island is made with eco-friendly CertiPUR-US foam that meets rigorous standards for emissions, content, performance, and durability—plus, it’s constructed with bottles hand-collected from coastlines and waterways. This mattress is also made in America and is adjustable base compatible. Mattress protector recommended.