Details, Size & Fit. Get your business attire sorted with Staple Superior's Randwick Poplin Shirt. Made from blended cotton shirting, The dressy button-up is a must-have for smart-casual wardrobes. Our model. is wearing a size medium shirt, and usually takes a size medium/38 shirt. He is 6’1” (185cm) tall with a 40” (98cm) chest and a 31.5” (80cm) waist. Length: 76cm Regular fit Blended cotton Traditional collar Button-through front.Cold wash. Warm iron. Dry cleanable (P). Length: 76cm.fabric / material: NA.Material: 65% Cotton & 35% Polyester.SKU: ST892AA47GVG.