Thom Browne Sack Jacket is a relaxed sack-style blazer knitted in blue cotton, highlighted by the brand’s signature 4-Bar intarsia and gros-grain RWB trims. It combines casual comfort with tailored detailing for everyday elevated wear. Key attributes: Blue | Cotton | Front button closure | Patch chest and side pockets | Two internal pockets | Buttoned cuffs | Sack silhouette | 4-Bar intarsia on sleeve | External name tag appliqué | Gros-grain RWB trim on cuffs and back tab | Patch pockets on chest and sides | Single rear vent | Dimensions & fit: Relaxed fit | Composition & care: 100% cotton