Balenciaga Hybrid Shirt Jacket merges a tailored blazer with a layered shirt construction, creating a refined, versatile piece. The detachable poplin collar and two-button front deliver smart-casual styling that transitions easily from day to evening. Key attributes: Blue | Dark navy | Wool | Detachable button-attached poplin shirt collar | Underlying seven mother-of-pearl button shirt-style placket | Waist welt pockets with flap | Chest pocket | Four-button cuffs | Fully lined | Single-breasted two-button placket | Classic lapel with detachable button-attached poplin shirt collar | Vertical waist darts at front | Central back slit (single back vent) | Round hem | Starch-finished wool twill | Dimensions & fit: Classic fit | Composition & care: Wool 100% | Cotton 87% / Polyamide 13% | Lining: Viscose 100% | Pocket lining: Cotton 100% | Do not wash. Wash separately and turn inside out. Remove buttons and detachable parts before cleaning. Do not bleach. Do not tumble dry. Iron at low temperature (max 120°C). Professional gentle dry clean (perchloroethylene or hydrocarbon solvent).