A pale green strap dress shows a softly falling upper edge and several horizontal folds over the middle of the body. Two narrow straps are visible, with a possible side opening near the lower edge of the photograph. The head and complete hem are absent. This close view is therefore useful for neckline and fold comparisons, but not for judging the full length or lower volume. A purchasing comparison would need additional views of the actual garment being offered.
In a similar dress, first check strap length with your chosen underlayers. Strap position can affect where the upper edge and folds sit, so have the actual garment assessed before treating shortening as a simple isolated task. Sit down and see whether the horizontal arrangement gives the appearance you want. The lower skirt also needs a normal walking test that this crop cannot replace. Relatively quiet accessories can help you recognise the reflective areas during the first comparison. Material and care information must come from the label rather than the gentle green colour or smooth-looking surface.