This Theory trench coat features an oversized cut of the classic style with a double-breasted front, buttoned epaulets, notched lapels, buttoned cuffs, and hip welt pockets for a refined finish. This Theory trench coat features an oversized cut of the classic style with a double-breasted front, buttoned epaulets, notched lapels, buttoned cuffs, and hip welt pockets for a refined finish. Established in 1997, New York-based Theory creates cool, expertly tailored clothing from the finest materials designed to inspire how you feel, work, and live.