The cardigan you wear over a dress, the one you button up as a top, and the layer you slip under a coat may look similar on a hanger. Once you put them on, the front, hem, and sleeves make all the difference.
From familiar button-ups and open-front cardigans to cropped styles, shrugs, and long dusters, this guide shows what each style looks like and how you might wear it. You can browse by the name that caught your eye or head to the final section for ideas based on your proportions, plans, and the season.
The names can overlap: a cardigan may be longline, open-front, and chunky-knit all at once. If you want to check the basics first, see our guide to what a cardigan looks like. Otherwise, start with any style below.
Button-Up Cardigans
With buttons and buttonholes down the front, this is the cardigan many people picture first. Wear it open over a T-shirt for an easy extra layer, fasten a few buttons for a more shaped look, or button it all the way up and wear it as a top. Unlike a cardigan made to hang open, it gives you the choice.

A fine-knit button-up with straight-leg jeans and loafers feels simple and put together; a cropped one with a high-waisted skirt brings the waistline into view. If you want to wear it without a top underneath, choose one whose neckline and button spacing give you the coverage you like. The buttons tell you how it closes, while the cut decides how it sits on you.
Open-Front Cardigans
An open-front cardigan hangs open without buttons, a zipper, or a tie. It frames the top or dress underneath, so it works especially well when you want that inner layer to remain part of the outfit. A relaxed version looks easy over a fitted tank and linen trousers; a longer one can soften the outline of a simple dress.

Some have extra fabric along the front edges that falls in folds; you may see these called waterfall or cascading cardigans. The folds add movement to an otherwise simple outfit. If a listing only says flowy, look at the front edges: the word might refer to those folds, a loose fit, or a soft drape. A button-up worn open can look similar, but only the button-up gives you the option to fasten it later.
Wrap Cardigans
A wrap cardigan has front panels that cross over the body, usually secured with a tie or another fastening. The overlap creates a neckline and waist shape you can adjust, giving a wrap a different look from a straight open-front cardigan with a belt added on top.

Wear one over a simple camisole with wide-leg trousers to let the tie define the middle of the outfit, or pair it with a skirt when you want a softer, more dressed-up layer. A loose tie and a close tie can create different amounts of coverage. If you expect to wear it tied all day, it is worth seeing where the overlap sits when you move or sit.
Zip-Up Cardigans
A zip-up cardigan opens and closes with a zipper instead of buttons. A full-front zip gives you the option of wearing it fully open, partly zipped, or closed. Wear a relaxed one over a striped tee with loose denim and sneakers, or pair a finer knit with a midi skirt for a cleaner look.

The styling changes with the zipper position: partly open, it shows more of your base layer; closed, the cardigan becomes the focus. Check the zipper length if that flexibility matters to you. A short zip at the neck is a different kind of layer from one that opens all the way down the front.
Cropped Cardigans
A cropped cardigan ends higher than a regular-length one, often around the waist. It can be buttoned, tied, zipped, or open-front; the shorter hem is what makes it cropped. That hem lets more of a dress, skirt, or high-rise trousers stay visible.

For an easy balance, try a cropped cardigan with wide-leg pants and a fitted tee, or button one over a midi skirt. The shorter layer keeps the waistband in the picture without covering the whole outfit. Labels vary, though, and the same cardigan may land at different points on different people. Think about where you want the hem to fall on you, rather than treating “cropped” as an exact measurement.
Longline Cardigans
A longline cardigan falls farther down the body than a regular-length style, often past the hips. It may have an open front, buttons, or a belt. The extra length can make a T-shirt-and-trousers outfit feel more layered without changing the pieces underneath.

Wear a longline style over a striped top and dark trousers, or over a dress when you want more of the outfit framed by the outer layer. Depending on where its hem lands, the dress may still show below it or disappear underneath. Product names cover a wide range of lengths, so use the garment length and on-body photos to find the effect you have in mind. If a coat is part of the outfit, consider how the two hems will sit together.
Duster Cardigans
A duster is a particularly long cardigan, often reaching the knee or lower. Its extended hem can make even a simple tank and trousers feel more dramatic, especially when the front is left open. A mostly one-color outfit underneath lets that long outer layer stand out; jeans and a plain top keep the look more casual.

Duster et longline are sometimes used for overlapping lengths, so there is no universal line where one becomes the other. The useful difference is the effect you want: if you are drawn to a long, sweeping layer, compare where each cardigan ends on the wearer. For a very long hem, think about how it will feel when you walk or sit as well as how it looks standing still.
Shrug Cardigans
A shrug is a small layer that mainly covers the shoulders and arms, leaving more of the torso visible than a typical cropped cardigan. It can add a finishing layer to a sleeveless dress without hiding much of the dress itself. Over a tank and high-waisted skirt, it brings attention to the neckline and waistline rather than the cardigan's hem.

Some retailers use bolero for a similar short piece. Those labels do not always tell you how much of the front or back is covered, so the cut is more useful than the name. A shrug makes sense when you want just a little shoulder coverage; for a cardigan you can button up and wear as a top, a fuller cut will give you more options.
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A hooded cardigan brings the easy feel of a hoodie to a layer you can open at the front. Some zip, some button, and some simply hang open. A T-shirt, joggers, and sneakers make an uncomplicated weekend outfit; a longer hooded cardigan over leggings or relaxed trousers has a more laid-back feel.

The hood is a style detail as well as a bit of extra head and neck coverage, but it does not by itself make the cardigan rainwear. If you plan to put another hood or a coat over it, notice how the layers sit at the back of the neck. The front opening is a separate choice from the hood, so pick whichever combination suits how you usually dress.
Chunky-Knit Cardigans
A chunky-knit cardigan has a visibly substantial knit. Its texture can be the interesting part of an otherwise simple outfit: wear one over a plain tee and straight trousers, or let a cropped chunky knit contrast with the smooth fabric of a satin skirt. It can be short or long, fitted or oversized, buttoned or open.

For a look built around the knit, keep the other pieces relatively simple and let the stitches show. If the cardigan must fit under a coat, its volume becomes a practical consideration; a finer knit may layer more easily in the same space. Cable et rib name visible knit patterns, while cotton, wool, and cashmere refer to fibres. Check the label for the actual blend and care needs rather than guessing from the texture.
How to Choose the Right Cardigan
Start with the outfits you already enjoy wearing. A cardigan that feels right with your favorite jeans may serve a different purpose from one you reach for over a dress, and you do not need one style to do everything. Length, opening, and knit can work together to give you the look and coverage you want.
For the proportions you like: If you want to keep a waistline visible, a cropped cardigan or a wrap can bring attention to that part of the outfit. If you prefer more length over the hips and legs, explore longline and duster styles. An oversized cardigan creates a roomier silhouette; a shrug leaves most of the torso uncovered. These are visual options, not rules for particular body shapes. What matters is where the hem, tie, and shoulders sit on votre frame and with votre clothes.
For where you are going: A button-up with jeans and loafers is an easy everyday choice. A fine-knit wrap or shawl-collar cardigan can look more polished with trousers or a skirt for work or dinner. For a relaxed weekend, an open-front or hooded style works naturally over a T-shirt. If you are dressing for an occasion, begin with the outfit's overall feel and choose the cardigan that supports it; the same style can read differently depending on the knit and the pieces beside it.
For the season and your layers: In milder weather or a cool indoor space, a lighter knit can add a layer without dominating the outfit. When you want the cardigan to be the visible outer layer, you might enjoy the texture of a chunky knit or the coverage of a longer style. If it needs to fit under a coat, a less bulky knit and manageable sleeves may be easier to layer. Fabric, knit construction, and the rest of your clothing all affect comfort, so use the product details and the full outfit rather than assuming a style name tells you how warm it will be.
Once a style feels like you, picture it with the clothes you will actually wear most often. That is usually a better tie-breaker than finding the “best” cardigan in the abstract.