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  3. 8 Best Period Pants UK 2023 | Modibodi, Thinx and More
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8 Best Period Pants UK 2023 | Modibodi, Thinx and More

Period pants, otherwise known as absorbent menstrual underwear, are a fantastic alternative to tampons, sanitary pads, and reusable cups. They're comfortable to wear, protect your body from the questionable chemicals found in many disposable products, and help the environment too by reducing waste.


In this article, we'll help you choose the best period pants for your menstrual flow and lifestyle. We've picked our ten favourite pairs from Amazon, eBay, John Lewis, and ASOS, ranking them according to value for money, absorbency, and comfort. Our reviews feature pants in all shapes and sizes from popular brands like Modibodi and Thinx - we hope you'll agree that they're bloody brilliant!

Last updated 14/07/2023
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Table of Contents

How to Choose Period Pants in the UK - Buying Guide

Deciding which absorbent knickers to buy can be difficult, as there are quite a few styles to choose from. In this section, we'll break your decision down into smaller chunks, so you can easily find the best pair for your needs. 

1

Think About the Materials Your Underwear Is Made From

First up, it's essential to think about the fabric your period pants are made from, as this will affect both your comfort level and the absorbency of the briefs. Below, we'll run through the benefits and drawbacks of materials that are commonly used for this type of underwear.

Pick a Skin-Friendly, Durable Fabric With Plenty of Stretch for the Main Body

Pick a Skin-Friendly, Durable Fabric With Plenty of Stretch for the Main Body

Synthetic materials like nylon, rayon, and polyamide are popular too. These are cheaper to produce than cotton but are just as long-lasting, even through regular hot washes. 


Lastly, many of the products we've chosen to put in our ranking contain elastane and spandex. These stretchy fabrics are ideal for sporty types who still want to stay active while Aunt Flow is visiting. Definitely opt for pants featuring one of these fabrics if you plan to move around a lot - they give you the freedom to leap, wiggle, and bend!

Opt for Layered Fabrics or PUL to Guarantee a Leak-Proof Gusset

Opt for Layered Fabrics or PUL to Guarantee a Leak-Proof Gusset

Synthetic materials like polyester may also be layered together and used for the gusset part of the pants, as they're highly absorbent. Again though, they're sadly not waterproof so might not be suitable for everyone.


For minimal leaks, try pants with a crotch area that's treated with polyurethane laminate (PUL). This is basically a hyper-stretchy, waterproof fabric that will be sewn onto one side of the briefs, preventing any drips from getting through to your clothing. 

2

Check That the Level of Absorbency Will Match Your Flow

Check That the Level of Absorbency Will Match Your Flow

Next, it's important to check how much liquid your period underwear can absorb. This all depends on your flow - if you tend to have a lighter period, then a pair of pants that can retain 1-2 tampons' worth of fluid should last you a whole day. 


For heavier periods though, you should look for more absorbent knickers that can hold several tampons' worth of blood. Or, for added protection against leaks, consider using pads or tampons alongside your chosen pants.

3

Pick Briefs in a Style That You'll Feel Comfortable Wearing

Pick Briefs in a Style That You'll Feel Comfortable Wearing

Knickers with a medium waist usually come up to just below your belly button. They're a good everyday option, as they stay in place without rolling down and feel a bit less stifling than high-waisted briefs.


Low-waisted pants can be worn with sportswear or revealing outfits, protecting you from leaks while you're on the move without any fuss. You might find them a bit too low for wearing with tights or trousers though.

4

A Multi-Pack of Pants Will Keep You Feeling Fresh Throughout the Day

A Multi-Pack of Pants Will Keep You Feeling Fresh Throughout the Day
Source:amazon.co.uk

A multi-pack of period pants is always a good idea - no matter how absorbent your new underwear is, you'll want to put on a clean pair after a shower or before getting into your pyjamas at the end of the day. Plus, on a heavier day you might need to change your knickers more than once.


So, rather than splashing out on several separate pairs of pants, we recommend snapping up a multi-pack instead. This will keep you feeling fresh all day long and it's better for your budget too!

5

Take Note of the Care Instructions So You Can Wash Your Pants Correctly

Take Note of the Care Instructions So You Can Wash Your Pants Correctly

You're going to want to wash your new period pants fairly regularly, especially if you're starting with just one pair to see how you get on. In order to take care of them properly, check the washing instructions on the label.


While all menstrual underwear can be washed by hand, most of the sets on our list can be popped into the washing machine too. Some are suitable for washing at 40 degrees, while others may require a cooler temperature.

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8 Best Period Pants in the UK

Without further ado, here are our favourite pairs of period pants - a superb alternative to the faff of a menstrual cup or the potential discomfort of towels and tampons. We reckon you'll love our leakproof picks!
Popularity
Products
Image
Click to purchase
Key features
1

Thinx

High-Waisted Period-Proof Briefs

Thinx High-Waisted Period-Proof Briefs 1枚目

Seriously Comfy Pants That Look Stylish Too

2

Intimate Portal

High-Cut Period Pants

Intimate Portal High-Cut Period Pants 1枚目

Figure-Hugging, for a Relaxed Period

3

Intimate Portal

Sensation Leak Proof Menstrual Underwear

Intimate Portal Sensation Leak Proof Menstrual Underwear 1枚目

A 3-Pack of Lacy Pants In Pretty Colours

4

Thinx

Hip-Hugger Period-Proof Briefs

Thinx Hip-Hugger Period-Proof Briefs 1枚目

Chic, Stretchy, and Highly Absorbent

5

Thinx

Sport Period-Proof Briefs

Thinx Sport Period-Proof Briefs 1枚目

Breathable Briefs That Are Ideal for Sports

6

Innersy

Period Pants for Heavy Flow - 3 Pack

Innersy Period Pants for Heavy Flow - 3 Pack 1枚目

Fun Yet Practical Polka Dot Pants

7

Innersy

Menstrual Period Pants - 3 Pack

Innersy Menstrual Period Pants - 3 Pack 1枚目

Best Worn With Tampons or Pads

8

Intimate Portal

Leakproof Cotton Period Underwear - 3 Pack

Intimate Portal Leakproof Cotton Period Underwear - 3 Pack 1枚目

Sporty-Style Pants That Lock in Liquid

If you don't see the product you're looking for, you can request that it be listed.
No.1

ThinxHigh-Waisted Period-Proof Briefs

High-Waisted Period-Proof Briefs Image 1
Reference price
£35.00
Reference price
£35.00

Seriously Comfy Pants That Look Stylish Too

We love these pants by Thinx because as well as being ultra-absorbent, they're also rather snazzy to look at! The high waist keeps your tummy tucked in and warm, while the sheer panels on either side ensure that your skin can breathe.


The extra-thick gusset rises up high at both the front and back so you don't have to worry about leaks when running, riding a bike, or just rolling around in bed. Yes, the price tag is high for one pair but we promise that these pants are 100% worth it!

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No.2

Intimate PortalHigh-Cut Period Pants

High-Cut Period Pants Image 1
Source:amazon.co.uk
Reference price
£36.99
Reference price
£36.99

Figure-Hugging, for a Relaxed Period

The best thing about these trendy looking pants is the fact that they come in a pack of five and are actually cheaper than some single pairs on our list! Holding around 2 tampons of blood, they allow you to get on with life and ditch the disposables for good.


These pants are designed to be figure-hugging and have a high-cut leg, making them easy to move around in. Washable at 30 degrees, they can be air-dried and worn again the next day as needed.

No.3

Intimate PortalSensation Leak Proof Menstrual Underwear

Sensation Leak Proof Menstrual Underwear Image 1
Source:amazon.co.uk
Reference price
£33.49
Reference price
£33.49

A 3-Pack of Lacy Pants In Pretty Colours

It's always nice to find menstrual underwear available in colours other than black. Plus, these cheeky pants are embellished with frivolous lace, to help you surf the crimson wave in style! Intimate Portal is a top manufacturer of period pants with hundreds of amazing reviews online, so you know you can trust this set of knickers to do the job.


Absorbent enough to hold around 2 regular tampons' worth of liquid, these pants are guaranteed to keep you feeling fresh regardless of whether you're out and about or lounging around at home.

No.4

ThinxHip-Hugger Period-Proof Briefs

Reference price
£32.00

Chic, Stretchy, and Highly Absorbent

Who says period pants have to be depressing? These sleek briefs have a jazzy zigzag pattern around the stretchy waistband, which fits securely too. Holding up to 2 tampons' worth of blood, they're suitable for slightly heavier days.


These pants are bestsellers and we can see why - they're chic, highly absorbent, and extremely durable. Whilst they're at the pricey end of the scale, we Thinx they're worth it!

No.5

ThinxSport Period-Proof Briefs

Reference price
£30.00

Breathable Briefs That Are Ideal for Sports

These sporty little pants by Thinx aren't as bulky as many other menstrual underwear options, so they really let your skin breathe. Designed for medium flow days, they can hold around 1.5 regular tampons' worth of blood. 


Made from nylon blended with elastane, they're extra stretchy - great for keeping active even when it's your time of the month! Unfortunately though, they do need to be washed by hand before they can be popped into the machine with your regular laundry load.

No.6

InnersyPeriod Pants for Heavy Flow - 3 Pack

Period Pants for Heavy Flow - 3 Pack Image 1
Source:amazon.co.uk
Reference price
£18.99
Reference price
£18.99

Fun Yet Practical Polka Dot Pants

These cheerful polka dot pants come in black, white, and grey. The wonderfully soft cotton gusset can hold 1-2 regular size tampons' worth of liquid, but the manufacturers suggest wearing them with other menstrual protection in order to prevent leaks.


If you like to feel sucked-in and safe during your period, these knickers will be right up your street! The high waist and slightly lower-cut leg seam not only look stylish but also mean that your body is comfortably covered up.

No.7

InnersyMenstrual Period Pants - 3 Pack

Menstrual Period Pants - 3 Pack Image 1
Source:amazon.co.uk
Reference price
£17.99
Reference price
£17.99

Best Worn With Tampons or Pads

These pants are generally recommended for use alongside other menstrual products, as they have a lower level of absorbency than other briefs on our list. Luckily, there are 3 pairs in a pack if you do want to wear them alone on a lighter day.


We love the colours that these knickers come in: deep burgundy, dark grey, and midnight blue. The high, thick waistband makes them extra comfortable to wear, especially if you suffer from bloating and cramps during your period.

No.8

Intimate PortalLeakproof Cotton Period Underwear - 3 Pack

Leakproof Cotton Period Underwear - 3 Pack Image 1
Source:ebay.co.uk
Reference price
£32.99
Reference price
£32.99

Sporty-Style Pants That Lock in Liquid

These cool pants echo the iconic sporty look made famous by Calvin Klein - though they're in no way affiliated, or as costly! This pack is fantastic value for money as you get 3 pairs in different styles.


The leak-proof gusset is reinforced with PUL, so you can guarantee no drops will escape and ruin your clothes. These briefs only hold around 2 tampons' worth of fluid though, so you will need to change them regularly if you have a heavier flow.

On Your Period? We Can Ease the Pain

On Your Period? We Can Ease the Pain

Everyone deals with their period differently - you might find that you need a combination of menstrual products to get through the day. Check out the links below to see the best eco-friendly tampons, reusable cups, and other helpful accessories to make your time of the month a bit more tolerable. 

Summary

Once you've switched to period pants, you won't look back! We think our choices are bloody marvellous and we hope you'll agree. With one of our recomendations, you can enjoy a comfy period that's kind to the planet and better for your body too.


Author: Annie Hopkins

Top 5 Period Pants

No. 1: ThinxHigh-Waisted Period-Proof Briefs

No. 2: Intimate PortalHigh-Cut Period Pants

No. 3: Intimate PortalSensation Leak Proof Menstrual Underwear

No. 4: ThinxHip-Hugger Period-Proof Briefs

No. 5: ThinxSport Period-Proof Briefs

View Full Ranking

When you purchase products mentioned in the article, part of the sales may be returned to mybest.
The descriptions of each product is referenced from the content available from the manufacturer, e-commerce sites etc.
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