Full Foam “Air Flow” System – Includes 3-inch Breathable foam with 22 air channels for comfort and breathability. Contains 4” Cel+Core foam as well for added spinal support. Tight Top Comfort – 2.3 lbs Pure Natura Wool™ layered with 2-inch natural talalay perforated latex. Bamboo Woven Fabric – Stretchable bamboo woven fibers for natural comfort and hygiene. Includes 10 year manufacturer warranty.