Thom Browne Mens Outerwear. Fashion category: Coats & Jackets. SKU: MJU505T F0512 035. Thom Browne Mens Tweed Fray 4-Bar Sack Jacket. This Tweed Fray Jacket features 4-Bar detailing, a front button closure, and three patch pockets. The buttoned cuffs are accented with signature striped grosgrain trim, while the single-vented back adds a refined touch. The striped lining includes interior pockets and a name tag, and it is finished with the signature striped grosgrain loop tab. 61% Cotton, 21% Polyester, 7% Polyamide, 6% Acrylic, 3% Viscose, 1% Wool, 1% Acetate.