100% organic cotton outer fabric (except for all-wood version) 100% Plein-Air French wool quilted to the inside of the outer fabric Plein-Air - These sheep live outdoors year-round Produces a more curly, longer fibre Superior to mechanically crimped wool, it does not mat down as easily Genuine German beechwood bowed slats Independent, flexible and supportive slats Slats are firmness-adjustable for optimal contour Individual sides - no roll-together or bounce Each side adjusts independently Fits any frame - replaces a box spring The boxspring replacement version is wrapped in certified organic cotton and certified organic French wool Meets all flame-retardant requirements without any synthetic treatments Free of harmful chemicals - no flame retardant, formaldehyde or PBDEs Made in California Beechwood slats are from Germany Rubber suspension components are from France All-wood foundation: The beechwood frame is from Germany Upholstered foundation: The perimeter frame is spruce wood from Canada Knit cotton upholstery fabric is loomed in Germany Wool filling sourced from France and processed in Belgium & Germany German cotton & French wool quilted and sewn in California