Now a Crate and Barrel classic, its pure 1960s aesthetic the three-seat living room sofa is scaled deep so you can sit firm and upright, but also slouch back in comfort. Sleek, boxy cushions and slim track arms look elegant and polished thanks to its supple, luxurious leather that will develop a beautiful, natural patina over time. The Petrie Leather 100" Grande 3-Seat Midcentury Sofa is a Crate and Barrel exclusive.