About The Brand - Theory Believes The Perfect Outfit Can Change The Way You Feel. For Over 25 Years, Theory Has Developed Innovative Fabrics And Highly Functional Pieces That Feel Great And Fit Perfectly. Theory's Seasonal Collections Are Versatile, Expertly Tailored And Easy-To Wear. Flare Midi Dress In Stoneware 81% Merino Wool 17% Recycled Nylon 2% Spandex Dry Clean Only Imported