The product on the mannequin is a size L/42/14.
The Model's Measurements: Height: 189cm (74in) Bust: 91cm (35in) Waist: 78cm (30in) Hips: 95cm (37in); Oversize fit: It has an extra loose, wide fit.. Trendyol Navy Blue Men's Basic 100% Cotton Crew Neck Oversize/Wide Cut Short Sleeve T-Shirt It is recommended that you buy it 1 size smaller than your own if you don't like it too loose-fitting.