The Hemp Micro Coil Futon Mattress is designed to provide comfort year round in any sleeping environment and can be custom made to fit any frame. Our Pure Comfort Mattress features a core of 733 4? Micro Coils for added support. Our Pure Comfort Mattress features a layer of of 100% USDA Certified Organic Cotton, and is filled with Humanely Grown American Wool for optimum comfort at any temperature. This product is absolutely chemical free, hypo-?allergenic, dust mite resistant, and will not support mildew or bacteria when taking proper care.