Color: Blue Sleeve Length: Short Sleeve Pattern/Design: Solid Season: Spring, Summer, Autumn Thank you for viewing! (*´꒳`*) Is it navy and cobalt blue? This top features two colors and two types of fabric: cotton and sheer material on the back (Images 1 and 2 show the back). It has a longer back design♫ The sleeves are folded inward, giving it an elegant silhouette. Size: M Main Fabric: 100% Cotton Lining (Sheer Part): 100% Polyester Length: Main Fabric: Approximately 62-65 cm Lining: Approximately 64-68 cm The sheer part is slightly see-through, but since it's blue, it's not too noticeable. I wore a beige cardigan with it (*´ω`*) It's a size M, but it has a relaxed fit. I wore it once for an outing and have stored it after home cleaning. Please understand that this is a used item. If you are looking for a product in new condition, please refrain from purchasing.