In the plans for their chairs the Eames frequently came up with a number of variations by combining a seat shell with different base frames Plywood Group, for example, was available from the outset with a chromed tubular steel base, making the design appear lighter and creating a certain tension in the contrast of two materials.The hide cover version was launched back in 1946.Available in black or natural ash. Also available in black ash with black/white calf skin or natural ash with brown/white calf skin.