Shiki Futon Extra Long Twin Size Mattress - Wool, Organic Cotton

The Shiki Futon Mattress combines wool and USDA Certified Organic Cotton fill in a firm 5-inch profile designed for use with traditional tatami mats. Its organic cotton construction breathes naturally, regulating temperature across seasons while remaining soft against the skin. The wool and cotton blend offers durability through long-term use when properly maintained, with both materials being natural, renewable, and biodegradable.