The Catifa 53 collection, by Arper, evolves with the addition of a 4 leg solid oak frame. The timber leg is available in 4 finishes of bleached oak, natural oak and wenge. Shell options include matt polypropylene to house colour and double curved plywood shell to house veneer. The shells are able to be fully upholstered in fabric or leather, or front face upholstery is available with either polypropylene or timber veneer to the outer back.