The Pollock Arm Chair from Knoll was designed in 1960 by Charles Pollock. Originally manufactured between 1964 and 1979, this steel and leather sling chair was reintroduced by Knoll in 2014. The Pollock Arm Chair, also known as "657", is available with or without a seat cushion. The cowhide sling comes in three different colours; black, dark brown, and natural.

The chair offers a refined combination of materials and finishes. It has tubular steel legs with a polished chrome finish, Cast aluminium arms and stretchers with a black painted finish.