Our Organic Cotton Shiki Futon Mattress is made in the Japanese style of a traditional Shikibuton. This classic design features only organic layers of cotton stuffing encased in your choice of either organic or natural cotton fabric.  No wool, foam or synthetic fibers are used in this version of our Shikibuton. Select a mattress thickness of 3 or 5 inches in traditional futon sizes to match your sleep preferences. Handmade by the skilled team in our San Francisco factory.