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. High Neck Dress In Black With Mock Neck Approximately 35In From Shoulder To Hem Model Is 5'11 And Is Wearing A Size Small. Measurements May Vary Slightly By Size. 82% Viscose, 12% Elastane, 6% Polyamide Dry Clean Only Imported