D4.0 presents the D4.0 Shirt, a formal shirt defined by a thin blue vertical stripe that suits office and smart-casual wear. Key attributes: Blue | Bianco | Cotton | Front button placket | Buttoned cuffs | Back yoke | Spread collar | Long sleeves | Curved hem | Thin vertical stripe pattern | Dimensions & fit: Regular fit | Composition & care: 100% Cotton | Machine wash cold, gentle cycle. Do not bleach. Tumble dry low or hang to dry. Warm iron if needed.