The white asymmetric cutout dress pairs a one-shoulder upper section with a waist opening and a high side slit. The current front gallery shows all three features at once; the source also describes a drawstring tie at the slit. The buying decision is therefore about adjustable exposure as much as letter size. The listed S–L measurements provide bust, waist and hip ranges plus total length, but they do not give the opening depth, how far the slit can be adjusted, the fabric’s opacity or the endpoints used for the length. Plan those separately before relying on the photographed look.

Map the three openings on a real outfit

Start with a fitted dress or coordinated top and skirt you own. Mark where its single-shoulder edge, waist opening and side slit would fall on your body. Try the underlayer you would wear with the MAXCT dress and note whether it appears at the waist or through the slit when you sit and walk. The listing mentions swimwear as a styling idea, but it does not say any swimwear is included or prove coverage with a particular underlayer. For the drawstring, ask for a close view of the tie fully loosened and adjusted. The gallery shows one slit position, not its entire adjustment range. Do not assume tightening the tie will close the slit or change the total hem length by a known amount.

Use all three ranges rather than one letter

Source-listed S is 73–88 cm bust, 65–70 cm waist and 77–90 cm hip, with 121 cm length. M is 77–92, 69–74 and 81–94 cm, with 123 cm length. L is 81–96, 73–78 and 85–98 cm, with 125 cm length. These ranges overlap; the page does not explain whether they describe body measurements, garment measurements or expected stretch. Keep that uncertainty visible. For example, a hypothetical 72 cm waist falls inside M’s listed 69–74 interval, while a hypothetical 96 cm hip falls only inside L’s listed 85–98 interval. The numbers do not identify one clear size for that combination. Ask which measurement convention and ease are intended rather than forcing either row.

Check the hem independently of the size label

The title calls the dress “midi,” while the source gives total lengths of 121, 123 and 125 cm. Where those lengths end depends on the buyer’s height and the starting point used for the chart. Compare a dress you own from the same shoulder or neckline reference point only after MAXCT confirms which point starts this measurement. Sizing up adds 2 cm per step in listed length; it does not tell you the slit height. The source calls the material thin polyester and shows White as the selectable color, but supplies no lining, fabric weight, opacity measurement or care label. A close-tone slip, shorts or swimwear are possible outfit choices; test them beneath a comparable light garment and request a current back and daylight photo if coverage matters. Choose the dress only after size convention, slit adjustment, waist opening and hem are clear for the way you plan to wear it.