Quick answer: Choose a maxi dress on three specs. Weaving method — knit fabrics stretch and forgive, woven fabrics hold shape and drape crisply. Silhouette — A-line and fit-and-flare suit most people, bodycon needs stretch to be comfortable. Length — midi hits mid-calf and maxi reaches the ankle, so your height changes which is which.

The hardest thing about buying a long dress online is that a photograph on a model tells you almost nothing about how it will sit on you. The specification list tells you a great deal.

Knit or woven: which fabric should I choose?

Knit stretches and is forgiving on fit; woven holds its shape and drapes more crisply. This one line changes more about how a dress wears than the print or the neckline.

	Knit	Woven
Stretch	Yes — micro to medium	Usually none
Fit tolerance	Forgiving between sizes	Needs the right size
Look	Softer, follows the body	Structured, holds a shape
Travel	Resists creasing better	Creases more readily

A knit example: this floral V-neck maxi in 95% polyester and 5% spandex has micro elasticity and a loose A-line hem — comfortable, packable and machine washable.

A woven example: the zipper-front pleated maxi in 100% polyester is listed as non-elastic with a fitted silhouette. It holds a crisper line — but because there's no stretch, the size has to be right.

Rule of thumb: if you're between sizes or buying without trying on, choose knit.

Which silhouette suits me?

A-line and trapeze

Narrow at the shoulders, widening steadily to the hem. The most universally wearable shape, because it skims rather than clings and keeps you cool in warm weather.

Fit and flare

Fitted through the bodice, flaring from the waist. It defines the waist without clinging below it. The boho floral V-neck midi uses this shape with a detachable belt and a side slit — the belt lets you decide how defined the waist is.

Bodycon

Follows the body closely throughout. Only comfortable in a stretch knit — the tropical flamingo knee-length dress pairs a bodycon cut with 94% polyester and 6% spandex at mid elasticity, which is what makes the shape wearable.

Peplum

A flared panel at the waist that creates shape without a belt. The geometric long sleeve peplum dress uses a 95% polyester, 5% elastane knit — structured enough for the office, stretchy enough to sit in all day.

Midi or maxi — what's the difference?

Midi falls at mid-calf; maxi reaches the ankle or floor. Your height decides which a given dress becomes. A dress listed as maxi on a taller model may sit as a midi on someone shorter, and vice versa.

The way around this is to look for actual measurements rather than the category name. Our listings publish them where available:

• Maxi — the pleated summer dress lists roughly 50–55 in (127–140 cm) shoulder to hem.
• Midi — the boho floral lists around 40–45 in (102–114 cm) depending on height.
• Knee-length — the mandala print dress lists about 22–24 in (56–61 cm).

Measure from your shoulder down to where you want the hem to fall, then compare that number to the listing. It's far more reliable than the label.

What should I check before buying?

1. Sheer or not. Listings state this explicitly. A lightweight polyester maxi that isn't opaque needs a slip underneath.
2. Chest pad. Most of these are listed with no padding, which means bra choice matters — particularly with a V-neck or sleeveless cut.
3. Belt included or not. A detachable belt gives you two silhouettes; no belt means the shape is fixed.
4. Care instruction. This is where the differences really show, and it's covered below.
5. Season. Several styles are listed all-season; others are summer only, which usually reflects fabric weight.

Which dresses are machine washable?

More than you'd expect — but not all, and the difference matters for a dress you'll wear often.

Care	Dress
Machine wash, no dry clean	Floral V-neck maxi, geometric peplum, mandala print
Machine wash or dry clean	Pleated zipper-front maxi
Hand wash or dry clean	Boho floral midi

For printed polyester, wash cold on a gentle cycle and hang to dry rather than tumbling — heat is what dulls digital prints.

Which dress should I choose?

For	Dress	Why
Everyday and travel	Floral V-neck A-line maxi	Light stretch, loose A-line, machine washable, all-season
Weddings and events	Boho floral midi with belt	Fit-and-flare with a detachable belt and side slit
Office to evening	Geometric peplum dress	Structured peplum in a stretch knit, machine washable
A crisper, dressier line	Pleated zipper-front maxi	Woven, non-stretch, holds a fitted pleated shape
Beach and holidays	Mandala print knee-length	Loose knit with medium stretch, easy care
Summer parties	Tropical flamingo bodycon	Mid-elasticity knit makes a close fit comfortable

What do I wear with a maxi dress?

• Flat sandals for daytime — a wedge if the hem is long enough to drag. See sandals.
• Heels for evening, especially with a floor-length hem. Our heel guide covers which types stay comfortable.
• Boots to take a maxi into autumn — ankle boots under a midi work particularly well. Browse boots.
• A layer on top — a blazer or cardigan turns a sleeveless maxi into an office outfit. See shawls for lighter cover.

Frequently asked questions

What's the difference between a midi and a maxi dress?

A midi falls at mid-calf; a maxi reaches the ankle or floor. Because it depends on your height, check the published shoulder-to-hem measurement rather than trusting the category name.

Is a knit or woven dress better?

Knit stretches, forgives fit and creases less, which makes it better for travel and buying online. Woven holds a crisper shape and drapes more formally, but needs the size to be right.

What maxi dress shape suits most people?

A-line or fit-and-flare. Both skim the body rather than clinging and work across a wide range of shapes. Bodycon needs a stretch knit to be comfortable.

How do I know if a dress will be too long?

Measure from your shoulder to where you want the hem to sit, then compare with the listing's shoulder-to-hem figure. Our maxi styles list roughly 50–55 in and midis around 40–45 in.

Are polyester dresses hot to wear?

It depends on the weave. Lightweight knits described as breathable are comfortable in warm weather; heavier woven polyester holds more heat. Loose A-line shapes help considerably.

Can I machine wash a maxi dress?

Many are machine washable — check the care line, since some specify hand wash or dry clean. Wash cold and hang to dry to keep printed colours sharp.

What bra do I wear with a sleeveless dress?

Most of these dresses are listed with no chest padding, so you'll need your own support. A strapless or racerback style suits wide V-necks and sleeveless cuts best.

Can I wear a maxi dress in winter?

Yes — layer a knit over the top, add boots, and choose a long-sleeved style. All-season listings are the ones to look for.

Key takeaways

• Knit stretches and forgives fit; woven holds shape but needs the right size.
• A-line and fit-and-flare suit the widest range of shapes.
• Bodycon only works in a fabric with real elasticity.
• Midi versus maxi depends on your height — check shoulder-to-hem measurements.
• Look for the sheer, chest pad and belt lines before buying.
• Many polyester dresses are machine washable; wash cold and hang dry.
• A detachable belt gives you two silhouettes from one dress.

Conclusion

Read the weaving method first, then the silhouette, then the measurements. Those three tell you whether a dress will fit, flatter and survive being worn regularly — which no product photograph can.

Browse the full long dresses collection, or see plus size dresses for extended sizing.