Perfect Sofa

Ikea (TOP): Fit four on this Klippan—whose simple legs are in keeping with the streamlined silhouette. Why it's practical: Feel free to launder the cover. (98 inches, $499; ikea.com)

René Holten/Artifort (MIDDLE): Continuous steel legs support the straight-edged Mare, which is made by hand in the Netherlands. (92.5 inches, $4,275; 312-432-0100)

Moooi (BOTTOM): Marcel Wanders's chic Chameleon rests on ultra-slim legs. Why it's practical: The Teflon-treated cover is dry-cleaner friendly. (86 inches, $6,100; 505-266-5245)