Product Wide Mold. If you want it to be loose, take the size you use. If you do not want it to be loose, we recommend you to take a size smaller. Wide Fit, Long, Oval Cut on the Edges, Comfortable Fit Shirt. 95% Polyester 5% Lycra Product Measurement: Front length: 64 cm, Back length: 64 cm Side Length: 64cm, Sleeve Length (including shoulder): 69 cm, Shoulder Width: 9 cm, Chest Circumference: 100 cm Waist Circumference: 86cm There is a 2 cm difference between sizes. The product on the model is size M/38. Colors in Studio Shoots Due to Differences in Light May Vary.