This casual collared chore jacket by Theory features an exposed button front, chest and lower flap pockets, and vented sleeves with button cuffs for a refined yet relaxed look. This casual collared chore jacket by Theory features an exposed button front, chest and lower flap pockets, and vented sleeves with button cuffs for a refined yet relaxed look. 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.