The product on the mannequin is size L/42/14.
The Model's Measurements: Height: 189cm (6'2'') Bust: 91cm (35in) Waist: 78cm (30in) Hips: 95cm (37in); 100% Cotton; Slim fit: It's a tight fit, fitting the body.. If you don't want it to fit you too much, you can buy it 1 size larger.