The model is wearing a size S/M. Model's measurements: height 173 cm, bust 89 cm, waist 65 cm, hips 91 cm.
Dimensions of the blouse in size S/M measured flat: width under the armpits - 41 cm, sleeve length - 15 cm (from the seam), width at the hips - 40 cm, total length - 59 cm.