The dress shown in the image is a long mustard yellow party dress with bare shoulders and puffy sleeves.

Detailed description:

Style: Long party dress, ideal for formal or semi-formal events.

Neckline: Bare shoulders, which gives it an elegant and sensual touch.

Sleeves: Puffy sleeves that add volume and a romantic style to the design.

Cut: The upper part seems tight to the body, while the skirt is fluid and with volume, possibly made with several layers of tulle or a similar fabric to create that ethereal effect.

Details: A gathered detail or a bow is observed on the front of the neckline, adding a decorative touch.