Our collection of white kaftan » dresses features a variety of styles, from flowy maxi dresses to more fitted designs. Perfect for beach vacations, weddings. Kaftan Dresses for Women Embroidered Short Sleeve V-Neck Plus Size Caftan Bikini Swimsuit Cover-Up Long Beach Dress. A white kaftan is a flowing, loose-fitting garment often made from lightweight, breathable fabrics such as cotton, linen, or silk. Its timeless appeal and effortless chic make it a staple in any wardrobe.