Choose from the available sizesTalalay foam for support that relieves stress and muscle painHybrid system uses foam and a coiled mattress for firm supportComes with a Tencel cover that feels like silk but breathes like cottonMade of safe, natural, chemical-free fabrics and American steelIndividual wrapped coil mattress delivers amazing support. If you've been looking for for a firm yet comfortable mattress, you'll want to take a look at the Luma Sleep Hybrid Firm Mattress. This state of the art hybrid system comes with an 11 inch individually wrapped spring array foam mattress, a 3-inch Talalay latex comfort layer, and a Tencel fabric mattress protector. The Talalay latex foam layer provides gentle, responsive comfort that relieves pressure and relaxes your muscles. The wrapped spring array mattress delivers just the right amount of support that all foam mattresses cannot supply. Both are protected by a Tencel fabric made from sustainably grown wood cellulose without any toxic chemicals. Get the good night's rest you've been deserving in the hybrid mattress size of your choice. Additional Specifications Twin: 39W x 75L x 11H in. Twin XL: 39W x 80L x 11H in. Full: 50W x 75L x 11H in. Queen: 60W x 80L x 11H in. King: 76W x 80L x 11H in. Cal King: 72W x 84L x 11H in. Size: California King.