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Medium
MEDIUM
FLOW
WUKA teen period swimwear starter kit contents including leak-proof bikini brief, swim cap, changing bag and intimate wipes for periods
WUKA Teen SwimBikini Starter Kit
504.00 kr

Size Chart

 

SWIM SIZE GUIDE

 

SWIMSUIT 

SIZE
UK
BUST
WAIST
HIPS
XXS 6 70-75 55-60 80-85
XS 6-8 75-80 60-65 85-90
S 8-10 80-85 65-70 90-95
M 10-12 85-90 70-75 95-100
L 12-14 90-95 75-80 100-105
XL 14-16 95-100 80-85 105-110
2XL 16-18 100-105 85-90 110-120

 

 

SWIM BRIEF

SIZE
UK
EU
USA
XXS 4-6 30-32 0-1
XS 6-8 32-34 1-2
S 8-10 34-36 2-4 
M 10-12 38-40 6-8
L 12-14 42-44 10-12
XL 14-16 44-46 12-14
2XL 16-18 46-48 14-16
3XL 18-20 48-50 16-18
4XL 20-22 50-52 18-20
5XL 22-24 52-54 20-22
6XL 24-26 54-56 22-24

 

SWIM TOPS

CUPS
Band A B C D DD E F
28 No No No
30 XS XS XS XS S
32 XS S S S S
34 XS S S M M M
36 S M M M L L
38 M L L L XL XL
40 L XL XL XL XXL
42 XXL XXL XXL

 

How to Measure Your Hip Size

Period swimwear size chart showing how to measure chest, underbust, waist, hips, and leg opening to find the perfect WUKA fit. Get the right size first time for leakproof, comfortable, and secure menstrual swimwear.

WUKA TIP: No tape measure? 
You can measure yourself with a belt or dressing gown cord and a 30cm ruler! Tie the belt around your hips, place a piece of tape or pinch where it reaches, then lay flat and carefully use the ruler to measure the length.
Size
Waterproof
Waterproof
Anti-Chlorine
Anti-Chlorine
Reusable 2 Years
Reusable 2 Years
Mid Height Gusset
Mid Height Gusset
Leakproof & Breathable
Leakproof & Breathable
Medium Absorbency
Medium Absorbency

The Ultimate "Pool-Ready" Period Kit

WHY YOU’LL LOVE IT

And just like that, the "I can’t swim, I’m on my period" days is officially over. The WUKA Swim Bikini Brief is the heart of this kit, designed to look and feel exactly like your favourite swimwear, but with a secret superpower. It’s a classic, flattering cut that gives you the freedom to dive, splash, or just soak up the sun without a second thought. Pair it with your favourite top or wear it solo - it’s your swim, your way.

WHAT’S INSIDE YOUR BAG

We’ve curated the ultimate sidekick for your water adventures:

  • WUKA Period Swim Bikini: Holds 15ml of flow – around 3 tampons or 2 pad’s worth

  • Starter Kit Bag: Its pretty, its waterproof and nearly indestructible

  • Two pocket Wet Bag: The perfect, leak-proof home for your bikini before and after your swim.

  • WUKA Wipes (x20): For a quick, eco-friendly refresh whenever you need it.

  • Limited Edition Swim Cap: Keep your hair protected and your style bold.

  • Period Positive Stickers: Because we breaking stigmas, one splash at a time.

HOW IT WORKS

Don't let the slim profile fool you. The built-in absorbent gusset is discreetly integrated to hold up to 15ml of flow - that’s roughly the same as 3 tampons or 2 pads. But here’s the clever part: the outer fabric is water-repellent, meaning it won’t swell up in the pool. It’s also chlorine-resistant and UV-protective, so it stays looking sharp wash after wash.

BEST FOR

Pool days, beach holidays, paddleboarding or just lounging by the water. It’s your go-to for light period days, spotting, or as a total "peace of mind" backup when using a cup or tampon.

GOOD TO KNOW

So, a little tip from your Big Sis: give your bikini a quick wash before the first wear to activate maximum absorbency. It’s eco-friendly, reusable, and designed to mix and match with any WUKA swim top.

 

Shipping

UK orders usually arrive within 3–5 working days (Express options available), and international shipping is fully tracked from just £5 – £10 via Royal Mail. For our EU customers, we also collect VAT upfront to avoid any surprise fees on delivery.

If it’s your first pair, you’re protected by our 100% Satisfaction Guarantee — try one on, and if it’s not the right fit, you can return or exchange within 40 days. All other items must be unworn and in their original packaging. Once we receive your return, refunds are processed within 10 working days.

See our Shipping Cost and Returns & Refund Policy.

Wash and Care

Rinse, Wash at 40°, air dry inside out. Tested to 54 washes.

Composition

Outer 80% Polyamide, 20% Elastane
Middle 89% Polyester, 11% Elastane,
95% Cotton, 5% Elastane, TPU
Inner 95% Polyester, 5% Elastane

Teen Swim - Period Starter Kit FAQs

Everything you need to know about WUKA Teen Swim Starter Kit — from first periods to absorbency, sizing, and how period pants work. Designed to help teens feel confident, comfortable, and prepared.

How do WUKA Swim Bikini Briefs work?
They look and feel just like your favourite bikini bottoms but feature a thin, discreet absorbent gusset that holds up to 15ml of flow (about 3 tampons' worth). The outer fabric is water-repellent to stop water from the pool or sea getting in, so it only absorbs your period.
Do I need to wear a pad or tampon with the Swim Bikini?
No need! Our Swim Bikini is designed to be worn on its own on light flow days or for spotting. If you have a heavier flow, they make the perfect "peace of mind" backup for a cup or tampon.
Can I wear the Swim Bikini in a pool or the sea?
Absolutely. The fabric is chlorine-resistant and UV-protective, making it perfect for pool laps, beach holidays, or paddleboarding.
How do I wash my Swim Bikini?
After your swim, give them a quick rinse in cold water, then pop them in the wash at 30 or 40 degrees with your dark colours. Avoid fabric softener and let them air dry—they'll be ready for your next splash in no time.
2024 Health & Wellbeing Awards Gold Winner Badge – recognising WUKA for excellence in health and sustainable period care
Beauty Shortlist Mama & Baby Awards 2024 Winner Badge – celebrating WUKA’s award-winning products for expecting and new mums
Our Stretch Super Heavy Period Pants take home the silver-award at the Green Parent Natural Beauty Awards 2025 for best menstrual care product
WUKA Perform Period Swimsuit wins best value cross-training kit at the Women's Running Awards 2023
Our High Waist Black Seamless Stretch – Super Heavy Flow period-proof underwear wins best period pants at the Beauty Shortlist Wellbeing Awards 2025
WUKA were finalists at the Pure Beauty Global Awards 2025
We won Gen M Award Winner - Breakthrough Partner for our seamless DryTech™ Incontinence light leaks underwear
The WUKA Postpartum Stretch™ set has been voted Best Postpartum Wellness Product for 2025 by The Positive Birth company

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