The Farm Rio Long-Sleeve Mock-Neck A-Line Maxi Dress combines effortless style with sophistication, featuring a sleek mock-neck, long sleeves, and a flowing A-line silhouette. The Farm Rio Long-Sleeve Mock-Neck A-Line Maxi Dress combines effortless style with sophistication, featuring a sleek mock-neck, long sleeves, and a flowing A-line silhouette. Brazilian lifestyle brand FARM Rio has been celebrating bold colors and vibrant prints through its thoughtfully crafted, contemporary designs since 1997.