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October 23, 2026
A strappy bikini is not one cut. It is a family of two-piece designs where straps, ties and cutouts are the main detail: triangle tops with adjustable ties, multi-strap tops, crossover and wrap designs, side-tie bottoms and high-leg cuts. Sports Illustrated’s bikini guide lists these as separate styles, so the best choice depends on how you will use the suit, how much support you need and how much coverage you want. This guide sorts the styles, explains what each does, and gives you a checklist to run before you buy.
The word “strappy” describes a look, not a pattern. Retail descriptions for strappy swimsuits generally point to multiple shoulder straps, crisscross backs, lace-up sides and ties that frame an open neckline. Underneath that look sit the standard bikini constructions: a triangle, a halter, a bandeau with added straps, a brief or a high-leg bottom.
The SI Swimsuit guide names triangle, halter, bandeau, longline, underwire, push-up, sport, asymmetric, classic brief, high-waisted, Brazilian, boyshort, V-cut, high-leg, wrap, micro and crochet styles. Almost any of these can be made strappy. That is why it helps to think in two parts: the base shape (what covers and supports) and the strap treatment (what you see).
This is the most common strappy top. SI describes it as a classic, minimal-coverage top whose adjustable ties conform to your body. Because the neck and back ties slide, you can change the fit through the day and from one trip to the next. It suits lounging, sunbathing and light movement.
What to look for: sliding triangles (so you can set the coverage), ties that are flat rather than thin cord, and a lining that keeps the fabric from showing through when wet.
A multi-strap top uses two or more straps across the front, back or both. The straps can run in parallel, cross at the chest or fan out across the shoulder blades. One example listed on a resale retail page describes a multi-strap bikini with front and back straps and removable padding, which shows how the category often combines decoration with a padded base.
Multi-strap styles photograph well and create interesting tan lines, which is worth knowing if that matters to you. They also create more places for the suit to twist. Check whether the straps are fixed or adjustable and whether they sit flat when you move your arms.

Crossover tops pass straps over the chest and tie behind the neck or back. Halter tops tie at the neck, and halter-style tops offer more coverage and support than a basic triangle, according to the bikini variants reference. A halter with crisscross detail at the back is a good middle ground: it looks strappy, and the neck tie takes some of the load.
Wrap tops use a long tie that winds around the torso. Asymmetric tops put the strap or coverage on one side only. Both are, in the SI taxonomy, different levels of exposure and visual emphasis. They are good choices if you want a design that looks distinctive without adding many straps.
A bandeau is a strapless band. Many versions include optional or removable straps, and some add a center ring or tie. It works for tanning with fewer lines, but it offers less hold when you move, so test it before you rely on it for active days.
| Bottom style | What it looks like | Best for |
|---|---|---|
| Side-tie | Narrow ties at the hip that you adjust | Easy fit changes, lounging |
| High-leg | Leg line cut high on the hip, often with thin sides | Leg-lengthening look, sun lounging |
| Cutout | Openings at the hip or waist, sometimes joined by straps | Statement looks, resort dinners |
| Brazilian | Reduced rear coverage, often with a narrow side | Minimal tan lines |
| Thong or micro | Very small coverage with string sides | Maximum exposure, sunbathing |
| High-waisted strappy | Higher rise with straps or lacing at the sides | More midsection coverage with detail |
These cuts come from the style lists in the SI guide. Side-ties are the most forgiving for fit, since you control the tension on each side. High-leg and cutout bottoms look best when the waistband is stable, because a loose band shifts the whole line.
These three terms get mixed up in search results, so here is the difference.
If you want strap detail but a more secure fit, a cutout one-piece is often a better choice than a sling.
Shoppers often search this term, but it is not a standardized category like triangle, bandeau, halter or sling. Reference sources that define many named variants, such as the bikini variants page, do not establish a standard Frankie construction. Treat it as a brand or retailer name. Check the product page for the top shape, strap layout, coverage and closure, and decide on those details.
There is no single body-shape rule. SI’s guide takes the position that the right style depends on function, coverage, support needs and personal styling. Still, a few fit principles hold up.
Smaller bust. Marie Claire’s fit guidance says a triangle top with adjustable straps can give a close fit, while padding, ruffles, bright colors or bold prints add visual volume.
Fuller bust. The same guide advises strappy designs with structure for D+ cup sizes: underwire, molded cups, wider straps or an under-bust band. Narrow decorative straps are not a support system. If you love the strappy look, choose a style where the straps sit on top of a supportive base.

Measure, don’t guess. Laura Low Ah Kee, co-founder of Left On Friday, advises shopping by body measurements instead of clothing size, per Marie Claire. Measure your ribcage, full bust, waist, hips and torso length. Strap placement cannot correct the wrong band or cup size.
If you are planning a trip, our bikini vacation guide covers destinations, and the bikini shopping checklist walks through what to pack.
Straps catch the eye, but comfort and durability come from the fabric and the seams. Three details are worth checking in the product description:
Before you remove the tags, run through a short routine. This follows the Marie Claire guidance on testing adjustable styles:
If you shop online, do this the day the order arrives, in dry conditions, and keep the tags on until it passes.
With a string-style top, the ties are the feature, so keep the rest simple. The SI guide recommends mixing separates, contrasting textures or patterns, and finishing the look with cover-ups and accessories. In practice:
At L’ANIMAL, the swimwear is designed by Lital Simel-Rhedrick, and our approach is built on attention to detail, quality and timeless style. For strappy styles, that means we look at the garment first and the straps second. A strap pattern can look different on every body, but the fabric, lining and fit decide whether you wear the suit comfortably for a whole day.
Our advice is to choose the shape you will actually use. If you spend the day in the water, put structure before decoration. If your days are mostly lounging and resort dinners, an adjustable strappy style with a good cover-up is a strong option. Whatever you pick, read the fabric details and check the fit before you commit.
— Lital
If you are ready to compare shapes, start with our bikini collection. For a one-piece with more coverage, browse the one-piece swimsuits, and add a piece from our cover-ups for the walk away from the water. Men can find swim styles in our men’s shorts collection.
There is no single rule. The best style depends on how you will use it, how much coverage and support you want, and how you like to style it. Start with accurate body measurements, then choose structure for a fuller bust or adjustable triangles for a closer fit on a smaller one.
A sling bikini, also called a suspender or slingshot bikini, is technically a one-piece with narrow straps that run from a minimal front piece over the shoulders. Much of the torso is uncovered. It differs from a string bikini, which is a two-piece joined by ties.
Let the ties be the main detail. Pair the top with a sarong, open shirt or sheer cover-up, keep jewelry simple, and check your knots after swimming or moving around.
It is not a standard category. It is best read as a retailer or designer name for a style, so look at the product’s actual top, strap layout, coverage and closure instead of relying on the name.
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