Home/Scarlet Period | Set + Save/No Strings Swim Set
Scarlet Period Brief + Swim BFFs Set
Scarlet Period High-Waisted Swim Bikini Brief | Light Absorbency, flattering high waist
Scarlet Period High-Waisted Swim Bikini Brief | Light Absorbency, flattering high waist
Scarlet Period High-Waisted Swim Bikini Brief | Light Absorbency, flattering high waist
Scarlet Period Reusable Period Cup | Available in two sizes and colours for up to 8 hours of leak-free protection.
Scarlet Period Brief + Swim BFFs Set
Scarlet Period High-Waisted Swim Bikini Brief | Light Absorbency, flattering high waist
Scarlet Period High-Waisted Swim Bikini Brief | Light Absorbency, flattering high waist
Scarlet Period High-Waisted Swim Bikini Brief | Light Absorbency, flattering high waist
Scarlet Period Reusable Period Cup | Available in two sizes and colours for up to 8 hours of leak-free protection.

No Strings Swim Set

No tampons. Just swim freely.

$56.00 $64.00

Your period-proof summer, sorted. The Period Swim Brief holds around 2 teaspoons, roughly one tampon, with the reusable Period Cup for up to 8 hours underneath. Get in. The only thing you're checking is the surf.

    Stylish and ultra-flattering fit
    Save $$ with Sets
    Made for light - mod flows
    Leak-proof protection
Scarlet Period High-Waisted Swim Bikini Brief (Size)
Scarlet Period Reusable Period Cup (Size)
Scarlet Period Reusable Period Cup (Color)

The No Strings Swim Set includes everything you need for worry-free swimming on your period!

✨ Period Swim High-Waisted Brief: Leak-proof swimwear with built-in absorbency for light to moderate flow.

✨ Scarlet Period Cup: Extra protection for confidence in the water, no need for tampons.

✨ Period Swim High-Waisted Brief: Rinse in cold water after swimming until the water runs clear. Machine wash cold with mild detergent (skip bleach and fabric softeners). Line dry for best results or tumble dry on low heat.

✨ Scarlet Period Cup: Includes a free Steriliser Case for easy cleaning and safe storage. Before first use, add water to the case, place the cup face down, and microwave for 1 minute. Let it cool before handling.

✨ Period Swim High-Waisted Brief: 90% Recycled Polyester for a lower environmental impact, 10% Spandex for stretch, Quick-Dry Gusset to keep you dry, and PFAS-free for your safety.

✨ Scarlet Period Cup: 100% Medical Grade Silicone: Safe, durable, and reliable.

✨ Fit Note: Our underwear and swimwear run on the slightly smaller side. If you're between sizes, size up.

✨ Teen-to-Adult Fit: Our sizing is unique. Please refer to both the numerical (e.g., 10, 12) and letter sizing (e.g., M, L) in our guide.

✨ Australian Sizing: We use AU sizes - international customers, check our Size Guide.

✨ Still Unsure? Contact us for advice. We love a chat!

Did you know that over 12 billion pads and 7 billion tampons end up in landfills yearly? By choosing Scarlet, you're supporting a more sustainable future - where self-care and sustainability go hand in hand.

✨ High-Quality, Safe Fabrics: Made with care, free from PFAS and harmful chemicals, and independently lab-tested for your safety.

✨ Eco-Conscious Manufacturing: Crafted with a focus on quality and reducing environmental impact.

✨ Recyclable Packaging: Minimal waste for a cleaner world.

✨ 1% for the Planet: Scarlet is proud to contribute to environmental stewardship with every purchase.

Size Chart

Size chart for No Strings Swim Set
Scarlet Period Brief + Swim BFFs Set

No Strings Swim Set

$56.00 $64.00
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Models wearing Scarlet Period Swim Bikini Brief

Period Swim That Won’t Cramp Your Style.

Breaststroke? Freestyle? Doggy paddle? Whatever your stroke, one pair of Period Swimwear will help you lap with confidence.

Our High-Waisted Swim Bikini Brief is leak-proof and fast-absorbing, so you can dive into anything - pool, beach, or backyard sprinkler - minus the stress (or tampon strings).

  • Looks like normal swimwear
  • Zero leaks, zero worries
  • Made with 90% recycled material
  • Chemical treatment-free, including PFAS
BUY NOW

Your Questions, Answered

How does Period Swim work?

Scarlet Period Swimwear features a multi-layered leak-proof technology that absorbs and contains fluid. An added waterproof inner layer then works to stop any menstrual fluid from leaking out, and water from getting in. Click to read more on the magic of Period Swimwear.

How do I store them post-swim

We recommend travelling with a water-resistant travel bag such as our Toiletry Bag. Give them a good rinse to remove any chlorine or salt water, before stashing away. Once home, either machine wash in cold water with mild detergent or if wearing them again soon, hang them out to fully dry (the sunnier the better). 

Are they easy to wash?

After use, give them a good rinse in cold water to remove any chlorine or salt water. Then, machine wash in cold water with mild detergent (no bleach!). Try our Laundry Bag to safeguard them on laundry day. Then just hang out to dry (the sunnier the better) or tumble dry on low - that’s it! 

TIP: If it’s your first wear, pop them in the washing machine with your next cold cycle - washing them before wearing activates their absorbency even more

Why buy a Swim Set?

Save money and stay ready with our Brief + Swim BFFs Set! It features these killer High-Waisted Period Swim Briefs for in the water, a pair of Period Bikini Briefs for when you’re out, and a waterproof Toiletry Bag to store your wet togs in until you get home.

Do I need to wear a cup, tampon, or pad too?

Depending on the absorbency you choose and the heaviness of your flow, you can wear our period undies on their own or as backup along with a Period Cup or tampon.

What does the absorbency level mean?

Super Light: Holds up to 1 teaspoon, equal to less than one regular tampon. Think of it as a new-age panty liner, great for spotting, light leaks and discharge. Try: Invisible Thong

Light: Holds up to 3 teaspoons, equal to 2 regular tampons or one pad. For light days, drips and discharge. Try: G-String or Bikini Brief in Light-Moderate

Moderate: Holds up to 5 teaspoons, equal to 3 regular tampons or 2 pads. For moderate days, or as extra defence on heavy days with our Period Cup. Try: High-Waist Brief or Bikini Brief in Moderate-Heavy

Heavy: Holds up to 7 teaspoons, equal to 4 regular tampons or 3 pads. Our heavy hitters are great worn on their own, day or night. Try: Boyshort or Period Cup

How do I pick the right size for me?

We get it, sizing for bottoms is anything but standardised. Which is why this size guide will help break it down for you. Make sure to check both our numeric and letter sizing so no confusion (ie. our large is a 12).

When in doubt, feedback tells us better to size up. Still confused? You can also email us for help at support@scarletperiod.com.
★★★★★

"Scarlet creates stylish and timeless leak-proof swimwear so you can go about your summer without disruption."

Now to Love

★★★★★

"You you can get active in the water without worrying about leakage."

Elle magazine

★★★★★

"With a leak-proof gusset and a sleek high-waisted cut, swim in peace this summer."

Vogue

Real advice for real cycle days