The dress is knit from the top down on circular needles in the round in stockinette.
There are increases which makes the A-form shape.
The straps are knit as icords at the end. The dress’ length can be
adjusted with the straps.
NB: The straps have a lot of give due to the weight of the dress. Therefore, measure yourself such that the straps are on the short side as they will give with use.