A woman at an Australian beach wearing a wide-strap one-piece swimsuit with an open crochet cover-up

Swimwear That Actually Works: An Honest Guide

Swimwear shopping is the one category where the marketing and the reality are furthest apart. Everything is “sculpting” and “slimming” and “transformative”, and then it arrives and it's a piece of stretch fabric.

So here's the honest version. These are the construction details that genuinely change how a swimsuit sits and feels, what each one actually does, and what it doesn't. We sell this stuff, so take it with the appropriate pinch of salt — but we'd rather you bought the right one once than the wrong one twice.

Ruching: what it really does

Ruching is gathered fabric across the front panel. It's the most common feature marketed as “tummy control”, and the claim oversells it.

What it does do is real, though: gathered fabric breaks up a flat surface, so it doesn't cling and show every contour the way a single smooth panel does. It also has give, which means it moves with you when you sit down rather than pulling.

What it doesn't do is compress. Nothing in a standard swimsuit compresses — that would require a separate lining with actual power mesh, which costs more than anything in this price bracket.

If that's what you want, ruching is the right feature. The Surplice Wrap Front Ruched Floral Print has it across the full front panel with a wrap overlay on top, which is about as much visual disruption as you can get in one piece. The Deep V-Neck Ruched Halter High Waist does the same in a halter cut.

Straps: the part nobody talks about

This is the detail that determines whether you wear the thing twice or once.

A spaghetti strap holds up a swimsuit. It does not support anything. If you're a C cup or above, a thin strap transfers all the weight onto a 6mm band of fabric sitting on your trapezius, and after two hours you'll have grooves in your shoulders.

A wide strap spreads that same load across three or four times the surface area. It is not a small difference. It's the difference between a swimsuit you keep and one that lives in a drawer.

Look for straps you can see clearly in the product photo. Our V-Neck Twist Front Wide Strap High Waist and V-Neck Wide Strap High Waist Zigzag Trim both have properly wide set straps. Adjustable is better again — the Triangle Top High Waist Adjustable Strap lets you set the length yourself, which matters if you're long or short in the torso.

High waist: the most underrated feature in swimwear

A high-waisted bikini bottom sits at or above the natural waist rather than on the hip.

Three things follow from that. It stays put when you stand up out of the water, which is when every low-rise bottom betrays you. It covers the part most people are self-conscious about without needing a one-piece. And it gives you a defined waistline, because the narrowest part of your torso is where the fabric starts.

It is also the single reason bikinis have become wearable again for anyone who stopped wearing them in their thirties. A high-waisted two-piece gives you the practicality of a bikini — you can go to the bathroom without undressing entirely — with far more coverage than the word “bikini” suggests.

Nearly everything in our Bikinis collection is high waisted. The V-Neck Bow Front Polka Dot High-Rise is a good place to start if you haven't worn one in years.

One piece, tankini, or two piece?

One piece is the most coverage and the least faff. The trade-off is the bathroom, and that you're committed to one silhouette. Best if you're swimming properly rather than sitting. Try the Pleated Front Round Neck Double Strap One-Piece.

Tankini is the compromise most people land on and then stay with. A top that covers the midriff, a separate bottom. You get coverage and you get to size the top and bottom independently, which matters more than anything else on this list if you're not the same size top and bottom. The Square Neck Cross Front Floral Tankini is the one we'd point you at.

Tank and shorts sets are the most coverage you can get without a wetsuit, and they're genuinely good if you're at the beach with grandchildren rather than lying on a towel. The Scoop Neck Floral Tank Top and Shorts set and the Tank Top Floral Print Shorts both cover the shoulders and the upper thigh.

On sizing, honestly

Swimwear sizing runs small almost universally, and ours is made to Asian-market patterns, which run smaller again.

If you're between sizes, take the larger one. If you're at the top of a size range, take the next one up. A swimsuit that's slightly roomy looks like a swimsuit. One that's slightly tight looks tight, and more importantly it feels tight for the entire time you're wearing it.

Every product page has the size chart. Use it rather than assuming — and if you're unsure, email us your usual size and we'll tell you which to pick.

The thing to buy with it

A cover-up is not an afterthought. It's what you wear from the car to the sand, and from the pool to lunch, and it's the difference between being comfortable for the whole day and being comfortable for the bit you're in the water.

Our Cover Ups & Kimonos collection is built for this. The V-Neck Sleeveless Crochet Semi-Sheer Midi is long enough to wear as a dress. The Floral Print Batwing Sleeve Open Front Kimono covers the arms, which is the thing most people want and nobody says out loud.

The short version

Wide straps over thin ones. High waist over low. Ruching if you want fabric that doesn't cling, not because it compresses — it doesn't. Size up if you're between. Buy the cover-up at the same time.

The full range is in Swimwear, split into Swimsuits, Bikinis and Cover Ups.