Enjoy a more natural night's sleep with Brooklyn Bedding's Helix Birch Luxe Natural 11.5"" Mattress, made exclusively with cotton, wool, and Talalay latex. The Birch Luxe Natural Mattress is Brooklyn's upgraded hybrid model, perfect for those interested in a premium mattress. Targeted zoned lumbar support helps with spine alignment and back pressure relief with full perimeter (four sided) edge support for complete structural stability.