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. Ryder T-Shirt In Black Approximately 27In From Shoulder To Hem Model Is 6'1 And Is Wearing A Size M. Measurements May Vary Slightly By Size. 64% Viscose, 30% Nylon, 6% Elastane Machine Wash Imported