Free shipping over $120Sculpting Italian fabricFree size exchangesMade from regenerated ocean nylonFree shipping over $120Sculpting Italian fabricFree size exchangesMade from regenerated ocean nylonFree shipping over $120Sculpting Italian fabricFree size exchangesMade from regenerated ocean nylonFree shipping over $120Sculpting Italian fabricFree size exchangesMade from regenerated ocean nylon
RIVA

The Journal

Notes on fabric, fit and the water

Care guides, fit education and slow summer style — written the way we make swimwear: carefully, and without the fluff.

Fit Guide

Why a New Compression Swimsuit Should Feel Snug — and When It Is Too Small

Compression fabric is meant to grip when new. What moulding to you actually changes, and the signs that separate right-snug from genuinely too small.

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Fit Guide

Swimming Laps vs. Lounging: Choosing a Suit for How You Actually Use It

A suit for real swimming and a suit for the sun lounger are two different garments. How hold, coverage, straps and fabric should change with the job.

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Fit Guide

Cheeky, Classic, Full: What Swimwear Coverage Words Actually Mean

Cheeky, classic, Brazilian and full are not standardised terms. What each one really describes, how leg line and rise differ, and how to read a page.

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Fit Guide

Bikini Top Support Without Underwire: What Actually Holds You Up

Wire-free swim tops get their support from band tension, fabric weight, strap geometry and seam placement. How to judge all four before you order.

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Fit Guide

Between Sizes in Swimwear? How to Choose Which One to Order

Why bodies land between swim sizes, why compression reverses the usual instinct to size up, and which measurement should decide for each piece.

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Fit Guide

Long Torso, Short Torso: How to Shop One-Pieces for Your Proportions

Why torso length decides a one-piece more than your dress size does — how to measure it, read the symptoms, and choose a size and shape that fit.

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Fit Guide

How a One-Piece Should Actually Fit: A Head-to-Toe Checklist

Straps, torso length, bust, back and leg line — what a correct one-piece feels like in the changing room, and how to tell snug from simply small.

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Care

How to Pack Swimwear So It Arrives Holding Its Shape

Fold flat, keep moulded cups from denting, and never seal a damp suit in a bag. How to pack swimwear so it arrives ready to wear and comes home intact.

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Care

Salt Water vs. Pool Water: Which Is Harder on Your Swimsuit?

Chlorine attacks the elastane chemically; salt and sand wear the knit down mechanically. An honest comparison, and the one habit that answers both.

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Care

Hot Tubs and Swimwear: Why a Jacuzzi Ages a Suit Fastest

Heat, concentrated chlorine and a long motionless soak make a hot tub the harshest water a swimsuit meets. What it does to elastane, and how to limit it.

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Care

How Long Should a Swimsuit Last? A Realistic Timeline

Two seasons is the usual answer and it explains almost nothing. What really sets a swimsuit's lifespan, and how to tell when one has genuinely retired.

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Care

How to Store Swimwear Over Winter So It Is Perfect in June

A swimsuit spends most of the year in a drawer. What you do in the ten minutes before it goes away decides how it comes out next summer.

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Care

Sunscreen and Swimwear: How to Keep SPF From Staining Your Suit

Sunscreen is the one thing you cannot skip and the thing your swimsuit likes least. Why SPF stains, how to prevent it, and how to lift a mark safely.

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Care

How to Wash a Swimsuit Without Wrecking the Elastic

The wash is where most swimsuits are quietly ruined. What heat, detergent and spin cycles do to elastane, and the five-minute routine that avoids all of it.

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Care

The Two-Minute Rinse: The Swimsuit Habit That Does the Most Work

A swimsuit takes more damage on the way home than in the water. Why a cool rinse matters after salt or chlorine, and how to make it effortless.

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Fabric & Fit

Why Good Swimwear Costs More: What You Are Actually Paying For

A swimsuit is a small garment made of very little fabric. Here is where the money in an expensive one really goes, and where a cheap one saves it.

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Fabric & Fit

Swim Fabric, Decoded: What Nylon, Elastane and Jersey Actually Mean

Polyamide, elastane, Lycra, tricot, GSM. What the words on a swimwear composition label really mean, and the one thing they can never tell you.

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Fabric & Fit

The Wet Test: How to Tell If a Swimsuit Is Well Made Before Summer Finds Out

A swimsuit only tells the truth wet and stretched. Five tests you can run at a bathroom sink in ten minutes, long before the return window closes.

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Fabric & Fit

Swimwear Grading: Why One Suit Fits Beautifully in One Size and Badly in the Next

Grading is how a single swimsuit pattern becomes a full size run. What changes between sizes, what lazy grading breaks, and how to spot it as a shopper.

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Fabric & Fit

Quick-Dry Swimwear: What Actually Makes a Swim Fabric Dry Fast

Why some swimsuits are dry by the walk home and others stay damp all afternoon: the fibre, the knit, the construction and the habits that decide it.

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Fabric & Fit

Why Swimsuits Bag Out: What Recovery Means in a Swim Knit

Recovery is a knit's ability to spring back after every stretch. Why some suits sag by August, what wears it away, and how to keep it for years.

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Fabric & Fit

Why Swimsuits Ride Up, and the Cut Decisions That Stop It

Riding up is a tension problem, not always a sizing one. How leg-line angle, rise, torso length and strap placement decide whether a suit stays put.

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Fabric & Fit

Bonded Seams vs. Stitched Seams: Why Some Swimsuits Stay Put

What bonded seams are, how they differ from stitched ones, why construction decides whether a swimsuit holds in the water, and how to spot a careless seam.

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Fabric & Fit

Why Swimsuits Fade in the Sun — and How to Keep the Colour

Sunlight fades swimwear by breaking the molecules that hold colour. What UV does to dye and fibre, why some suits stay saturated, and how to slow it.

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Fabric & Fit

What Chlorine Really Does to Your Swimsuit

Chlorine does not wear a swimsuit out so much as switch it off. What pool water does to elastane and dye, and the habits that slow the damage.

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Fabric & Fit

Why Swimsuits Go Sheer When Wet — and How Double Lining Stops It

Why swimsuits turn see-through in water, how fabric weight and full double lining prevent it, and five quick tests to run before you buy.

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Fabric & Fit

What Makes Sculpting Swim Fabric Actually Work

How compression knits smooth and lift without squeezing — density, lining and recovery explained, plus how to judge sculpting swimwear before you buy.

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