Fabric: Boulderdash Sand Attention to thoughtful, yet subtle detail, like top-stitching throughout on the track arms, seat cushions, back and toss pillows, sets this slip-covered sleeper sofa apart from all the rest. Casual comfort is a top priority with this wonderful design. A luxurious down-blend seat cushion utilizing a core of polyurethane foam encased in a mix of down and fiber will envelop you in pure comfort while you relax or entertain in modern farmhouse style.