Oscar Jacobson Carlo Waistcoat is a refined wool waistcoat in a discreet twill quality, designed for layering under a blazer or worn alone with a shirt and trousers for formal or smart-casual occasions. Key attributes: Green | Grøn | Wool | Ideal for layering under a blazer | Can be worn alone with shirt and trousers | Versatile for formal and smart-casual occasions | Discreet twill texture | Single-breasted closure | Clean, classic silhouette | Composition & care: 100% wool