Luukaa linen asymmetrical white duster

Luukaa long linen asymmetrical robe jacket. Lahenlook. Tag says size 5. According to their size chart size 5 is a US 16. (attached) This is softer than normal linen. It's 90% linen, 10% polyamide. Small stain on pocket. Pictured. Measurements are approximate: around at the underarms: 51 inches around at the hem: 68 inches length range: 31 to 41 inches