The pale champagne front shows bare shoulder tops above low arm sections. Fine-looking fabric forms billowy areas down the arms and gathers around the wrists. The shaped bodice has close diagonal lines and a pointed lower centre. A broad long skirt falls below it, with both hands gathering fabric at the sides. Pale cloth extends across the ground at the left of the image. Shoes remain concealed.
This is a comparison for a lower arm edge, rather than evidence of thin shoulder straps. Trace the upper boundary and the gathered wrist finish before comparing its apparent volume. The held skirt distribution does not establish a normal released width, and the fine-looking surface identifies no particular fibre or supplied separate piece.
Try a comparable actual candidate with your arms relaxed and then moving normally. Ask which connections are fixed and whether any additional pieces are included in that offer. View the skirt with both sides released and with your intended shoes. You can then choose the shoulder opening without treating the pose or pictured surroundings as a promised experience.