A Traditional Sofa: Pottery Barn Sunbrella Slipcovered Outdoor Sofa This Pottery Barn Sunbrella Slipcovered Outdoor Sofa ($3,749) is made with a Sunbrella fabric slipcover that's resistant to mildew, fading, and stains. Its square arms and clean lines blend nicely with contemporary homes. Image Source: potterybarn.com Pottery Barn Sunbrella Slipcovered Outdoor Sofa $3,749 from potterybarn.com Buy Now