Self: 53% cotton 39% nylon 8% spandex Pocketing: 98% cotton 2% spandex. Made in Vietnam. Machine wash. Zip fly with button closure. 4-pocket styling. Subtle stretch twill fabric. 17 at the knee narrows to 13 at the leg opening. THEO-MP63. N0774203. Theory is a visionary concept for modern intelligent fashion forward people. Founded in New York and made by the finest of fabrics, this makes the working everyday person feel powerful, ready to face their day.