Frames are craftsman-built using cross-directional hardwood laminate certified by the Sustainable Forestry Initiative. Frame support system features a no-sag Flexolator suspension made from recycled steel. Seat cushions contain dense foam made from partially plant-based material, padded with a blend of sterilized down and feathers. Backrests are filled with a supportive blend of foam and poly fibers and back frame system is sustained by flexible sinuous springs.