Ralph Lauren Double Knit Tech Zip Up Top pairs structured double-knit cotton with a full zip for easy layering and a smooth finish suited to everyday and smart-casual wear. Key attributes: Blue | Navy | Cotton knit | Structured fabric | Smooth finish on both sides | Full zip fastening | Easy to layer and remove | Double knit tech construction | Zip-through front | Composition & care: Cotton | Check the garment care label. Machine wash on a gentle or cool cycle; turn inside out. Reshape while damp and dry flat or hang. Avoid tumble drying on high heat.