All Fiber futons perfectly regulate airflow as you sleep helping you sleep comfortably regardless of the ambient temperature and help relieve pressure points along your neck, shoulders, back, and hips.The 6 inch Cotton Fiber Futon is one of Bio Sleep Concepts exemplary all natural products. All Fiber futons perfectly regulate airflow as you sleep helping you sleep comfortably regardless of the ambient temperature and help relieve pressure points along your neck, shoulders, back, and hips. The futons core consists of 6 inches of cotton and is protected by a heavy outer shell that features double stitched boxed seams. All Fiber futons can be flipped and sleep the same on both sides. To increase the longevity of your All Fiber futon we recommend airing it out monthly.Important Reminders:All Bio Sleep Concept futons are designed to be medium-firm.