Perfect Sofa

Soft Sofas 
Mitchell Gold + Bob WIlliams (TOP): The Alexa's appeal lies in the easy skirt and deep cushions. Why it's practical: The cover stands up to machine-washing. (83 inches, $1,960; 800-789-5401)

Rachel Ashweel Shabby Chic (MIDDLE): Buyers may swap the Low Arm Modern's down pillows for synthetic ones. Why it's practical: The cover is washable. (84 inches, $3,895; shabbychic.com)

Maxalto Collection (BOTTOM): The secret to the Simplice's comfort: a thick foam bench. Why it's practical: The cover can be dry-cleaned. (85 inches, $6,641; Maxalto Collection; bebitalia.it)