D4.0 Detachable Sleeve Shirt Jacket is a versatile shirt-style jacket that converts from long to short sleeves via a covered zip, ideal for transitional weather and layered looks. Key attributes: Blue | Dark navy | Polyamide | Front snap button placket | Convertible sleeves (covered zip transforms long sleeves into short sleeves) | Snap-button cuffs | Patch chest pockets with flap | Lined | Shirt collar | Straight hem | Patch pockets at chest with flap | Shirt-style silhouette | Dimensions & fit: Regular fit | Composition & care: 100% Polyamide