NuStretch Brief - One Size
NuStretch Brief - One Size
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In partnership with experts in microfibre technology, our new patent-pending one-size underwear is made using our revolutionary NuStretch® fabric, stretching across multiple sizes and moulding to every body type, while retaining stretch perfectly. Our reliable built-in leakproof tech absorbs all life's leaks — from periods to incontinence.
Our patent-pending design is perfect for changing body sizes and gives you confidence through periods, incontinence, and post childbirth. Our breakthrough seamless material is not only comfortable, but it's also soft, breathable, and guarantees no VPL.
Available in two sizes:
One fits sizes UK 6-14, One+ fits sizes UK 16-30
- Perfect first-time fit guaranteed
- NuStretch ® fabric — moulds to every body
- Super absorbent — perfect for moderate to heavy flows
- No VPL — soft, breathable, and seamless design
- 100% leakproof — wear for up to 12 hours
- Reusable and washable — eco-friendly protection
- Certified vegan and cruelty-free
Technology
Technology
Our period-proof underwear combines cutting-edge technology with ultimate comfort. Here’s how it works:
Multi-Layer Protection: Our underwear features a unique multi-layer system designed to keep you dry and comfortable all day.
- Moisture-Wicking Layer: Quickly draws moisture away from your body to keep you feeling fresh.
- Absorbent Core: Locks in fluid, providing reliable protection against leaks.
- Leak-Resistant Barrier: Prevents any leaks, so you can move with confidence.
- Breathable Fabric: Ensures airflow to keep you cool and dry.
Fabric and care
Fabric and care
Machine wash max 40°C with mild detergent, hang to dry. No bleach. No tumble dry.
BODY: 95% Organic Cotton, 5% Elastane
GUSSET LINING: 95% Organic Cotton, 5% Elastane
GUSSET:100% Microfibre, Biodegradable TPU
Our underwear has no added PFAS, and has been successfully tested for harmful substances and certified according to STANDARD 100 by OEKO-TEX®️.
Learn more about how to care for period underwear.
Shipping and returns
Shipping and returns
UK Bound? Lucky You!
Enjoy free shipping on us, on all UK order over £30! Need it quick? Pick next day delivery at checkout.
Order before 12:00 pm GMT on a working day (that’s Monday to Friday), and we’ll send out your goodies on the same day. Talk about speedy service!
Not in the UK?
No worries! We’ve got free worldwide shipping on orders over £75. Plus, you can speed things up with express shipping options at checkout.
Returns Made Easy
Didn’t hit the jackpot with your purchase? No sweat! We’ve got your back with hassle-free returns and exchanges for 30 days. And if our products don’t live up to the hype (spoiler: they totally will!), we’ll refund you within 60 days*. Yep, we’re that confident! 🚚✨
* Try fluxies risk-free on your first order. If our undies don't work as promised, let us know within 60 days and we'll refund you. The 60-day risk-free trial applies to one worn pair of undies only.
Buy It With
From $33.00
Buy It With
From $33.00
Buy It With
From $24.00
生理裤尺码
| Size | Waist (cm) | Hips (cm) | UK Size |
| XS | 63-67 | 85-90 | 6/8 |
| S | 68-72 | 90-95 | 10 |
| M | 73-77 | 95-100 | 12 |
| L | 78-82 | 100-105 | 14 |
| XL | 83-93 | 105-115 | 16/18 |
| 2XL | 94-104 | 116-126 | 20/22 |
| 3XL | 105-115 | 127-135 | 24/26 |
Tried and tested by over 200,000 people worldwide
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Breathable and super-soft
Experience ultimate comfort with our breathable, ultra-soft fabrics.
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Reusable and washable
Wear, wash, and reuse for many years to come.
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Natural all day odour-control
Stay fresh all day with our odour-neutralising fabrics.
Comfort, uncompromised.
Comfort, uncompromised.
Comfort, uncompromised.
Comfort, uncompromised.
Comfort, uncompromised.
Comfort, uncompromised.
Comfort, uncompromised.
Comfort, uncompromised.
Comfort, uncompromised.
Comfort, uncompromised.
Comfort, uncompromised.
Comfort, uncompromised.
Comfort, uncompromised.
Comfort, uncompromised.
Comfort, uncompromised.
Comfort, uncompromised.
Facts behind the fabrics
Our Essential collection of period underwear is made using sustainable GOTS Certified Organic Cotton which is known for being softer and safer for the skin, compared to regular cotton. It also uses less water, contains no chemicals, and is super absorbent!
Your questions, answered.
Einklappbarer Inhalt
How does period underwear work?
How does period underwear work?
Fluxies are machine-washable and reusable leak-proof underwear — providing a more sustainable alternative to single-use disposable products.
Fluxies period underwear is designed in different absorbencies, from ultra-light to super heavy. Our period pants are built to completely replace single-use disposable products, with maximum comfort in mind.
Does fluxies completely replace disposable products?
Does fluxies completely replace disposable products?
Yes! Our period underwear can be worn alone as a complete replacement for pads, tampons or cups. With absorbencies from light to super heavy, you can find a style that suit your flow and can be worn all day, leak-free!
Einklappbarer Inhalt
How long can I wear them for?
How long can I wear them for?
You can wear fluxies period-absorbing underwear for as long as your flow will allow. Every flow is different, and the type of absorbency you choose will affect how long you can wear your fluxies for.
We do recommend you change your period underwear daily, just as you would with regular underwear.
What's different about the Essential Collection?
What's different about the Essential Collection?
Our Essential period pant collection offers affordable, basic staples made from soft, breathable Organic Cotton.
Designed for reliable protection and everyday comfort, these period pants provide a cost-effective solution without compromising on quality.