Finding the Best Period Underwear on Amazon in 2024
When it comes to comfort during your menstrual cycle, choosing the best period underwear can make a world of difference. Period underwear is designed to be absorbent, leak-proof, and comfortable, making it a great alternative or complement to traditional pads and tampons. With numerous options available on Amazon, it can be tough to find the right fit for your needs. In this guide, we will explore the top 10 period underwear options available on Amazon in 2024. Each selection has been evaluated based on comfort, absorbency, style, and customer reviews. Additionally, a buying guide will help you navigate your choice more effectively.
Buying Guide for Best Period Underwear
Before diving into our top picks, it’s essential to understand the features to look for when selecting your period underwear.
Material
The best period underwear is usually made from moisture-wicking materials that keep you dry and comfortable. Look for cotton, bamboo, or polyester blends that are breathable yet durable.
Absorbency Level
Consider how heavy your flow is. Period underwear comes in various absorbency levels. Some can hold just as much fluid as a tampon, while others can absorb even more.
Fit and Size
Ensure that the underwear fits well without being too tight or loose. Most brands offer size charts; follow these guidelines for the best fit.
Style
Period underwear comes in various styles, including hipsters, boyshorts, and bikini styles. Choose one that suits your personal style and comfort preferences.
Care Instructions
Check the washing instructions as well. Some products are machine washable, while others may require hand washing or air drying, which can affect convenience.
Top 10 Best Period Underwear on Amazon
1. Thinx Organic Cotton Brief
Thinx has made a name for itself in the world of period underwear. The Organic Cotton Brief offers flexibility and comfort while keeping you protected. Made from 95% organic cotton and featuring a special absorbent layer, this pair can hold up to two tampons’ worth of fluid. Many users appreciate that Thinx products are also machine washable, making them an eco-friendly choice.
Pros:
- Made from organic materials
- High absorbency
- Stylish design
Cons:
- Pricey compared to other brands
This underwear is available in various sizes, ensuring a good fit for almost everyone.
- Thinx for All are everyday underwear with built-in period protection to keep you fresh, dry, and comfortable.
- Thinx for All are made out of cotton and don't contain latex. If you have sensitive skin, Thinx for All won't irritate your skin. They're also tagless.
- Our absorbency levels vary depending on the absorbency you select. Moderate holds up to 3 regular tampons worth of flow while Super holds up to 5 regular tampons worth.
- Our Brief stye has a comfy, relaxed fit.
- Thinx Inc. has solutions for every body, all in one place. Check out our other brands Thinx - period underwear for women and Speax by Thinx - incontinence underwear.
2. Knix Leakproof Brief
Knix offers a Leakproof Brief that is both stylish and functional. It provides up to 8 hours of protection and is made from soft, breathable fabric with a four-layer absorbent technology. They are designed to prevent leaks, even during intense activities. Customers rave about the comfort and durability of these briefs.
Pros:
- High absorbency level
- Comfortable fit
- Wide range of sizes and colors
Cons:
- Some users may find them a bit tight
The Knix Leakproof Brief is an excellent choice for active days.
- Heavy Absorbency: absorbs the same as about 2 regular pads or 4 super tampons, ideal period panties for heavy flow or used as incontinence underwear
- Quick Dry, Extended Gusset: Knix underwear has an 9" built-in liner that stops blood, pee, or sweat from leaking through
- Sustainable & Machine Washable Period Panty: Ditch disposable tampons and pads for good; simply toss your period underwear in the wash after use and wear your high waist period panties again
- Comfortable Fit: These period panties sit at the natural waist and provide medium coverage through the bum; the fabric is designed to feel snug at first but relax with wash and wear for a perfect fit
- About Knix: with 10+ years of experience, Knix's products are lab-tested and wear-tested. Knix was launched to to transform an underwear market that had too much frill and not enough function.
3. Proof Women’s Period Underwear
Proof’s period underwear is known for its reliability. The Proof Underwear line features a range of styles, all designed for heavy flow days. This pair offers four layers of protection to keep you dry and comfortable. Users appreciate the stylish design, making it an elegant option for any occasion.
Pros:
- Multiple styles to choose from
- Environmentally friendly materials
Cons:
- A little pricey for some budgets
Proof’s underwear is a solid option for anyone seeking functional and fashionable period solutions.
- UP TO 100% LEAKPROOF: Proof reusable period underwear is designed with a built-in super absorbent core to pull fluid away from your body
- POWERED & TESTED BY ALWAYS: Proof’s patented Leak-Loc technology was further developed in partnership with the makers of Always. Feminine care backed by years of experience
- SUPER HEAVY ABSORBENCY: The Super Heavy High Rise Brief period panties hold up to 7 regular tampons and is designed to help keep you protected, dry, and confident on your heavy flow period days
- FITS & LOOKS LIKE EVERYDAY UNDIES: The High Rise Brief is perfect for those looking for more coverage with a high-waisted, full-coverage fit
- WASHER & DRYER FRIENDLY: After wearing, machine wash cold on delicate cycle. Tumble dry low or hang to dry. Proof period undies are made to last and designed for over 3 years of wear!
4. Bambody Reusable Period Underwear
Bambody provides a more affordable yet effective option with its Reusable Period Underwear. This brand offers comfortable and versatile styles, holding the equivalent of 2-3 tampons. The fabric is lightweight and breathable, making it suitable for day and night wear. Customers praise the affordability and eco-friendliness of this product.
Pros:
- Affordable
- High absorbency
- Machine washable
Cons:
- May not fit all body types perfectly
A great budget-friendly choice for those wanting to try period underwear.
- AS COMFORTABLE AS YOUR REGULAR UNDERWEAR & NO PFAs: Our reusable underwear is functional & so silky soft! Featuring rayon, an extremely soft & breathable fabric, our 4-layer design is effective yet thin enough that you won’t feel like you’re wearing bulky underwear. The full coverage design, with optimal elasticity, is ideal for period, maternity, post-partum, bladder leakage, or sweat protection.
- ABSORBS UP TO 4 REGULAR TAMPONS: Developed to be your sole form of period protection (goodbye disposable products!), you can also absolutely wear them as back-up (best paired w/ tampons, cups or even pads). FSA / HSA eligible.
- WEAR DURING THE DAY & OVERNIGHT: Protects you on your busy days or restful nights (work, school, sports, travel, concerts, sleeping!). The full front-to-rear leak proof layer is designed to stop leaks - sleep on your back or stomach
- EASY MAINTENANCE: Great for the planet & your wallet! Clean quickly by rinsing in washing machine w/ your laundry. Air dry to prolong their life
- MADE FOR ADULTS & TEENS: This is a great product for teens to save years of hassle w/ other less reliable, less comfortable, less sustainable products.
5. Dear Kate Everyday Brief
Dear Kate makes some of the best period underwear for everyday protection. These briefs are stylish with a sleek design, providing comfort and confidence during your menstrual cycle. The underwear offers a moisture-wicking layer, keeping you dry and fresh all day long.
Pros:
- Stylish and functional
- Great for light to moderate flow
Cons:
- Limited absorbency compared to other brands
Perfect for those looking for stylish yet practical options.
- Thinx look and feel like everyday women's underwear. Our Modal Cotton Brief has a comfy, full-coverage silhouette.
- Thinx period underwear has built-in leak protection and a moisture-resistant barrier to absorb your flow without feeling bulky or spilling over.
- Thinx period-absorbing underwear controls odors, keeping you fresh all day. Plus, they are also sweat-wicking to keep you dry.
- Depending on your flow, Thinx period panties can replace disposable feminine care products, like pads, tampons, and pantyliners, or be worn with tampons or menstrual cups for extra protection.
- Thinx Inc. has solutions for every body, all in one place. Check out our other brands Thinx Teens - period underwear for teens and Speax - incontinence underwear for women.
6. Modibodi Full Brief
Modibodi offers Full Briefs that provide significant coverage and superb protection. Composed of breathable microfibre fabric, these briefs are designed for heavy flow and can be worn alone or as a backup to tampons or menstrual cups. The antibacterial properties help prevent odors.
Pros:
- Highly absorbent
- Odor control
Cons:
- Bulky for some users
This product is perfect for those needing extra protection and comfort.
- AS COMFORTABLE AS YOUR REGULAR UNDERWEAR & NO PFAs: Our reusable underwear is functional & so silky soft! Featuring rayon, an extremely soft & breathable fabric, our 4-layer design is effective yet thin enough that you won’t feel like you’re wearing bulky underwear. The full coverage design, with optimal elasticity, is ideal for period, maternity, post-partum, bladder leakage, or sweat protection.
- ABSORBS UP TO 4 REGULAR TAMPONS: Developed to be your sole form of period protection (goodbye disposable products!), you can also absolutely wear them as back-up (best paired w/ tampons, cups or even pads). FSA / HSA eligible.
- WEAR DURING THE DAY & OVERNIGHT: Protects you on your busy days or restful nights (work, school, sports, travel, concerts, sleeping!). The full front-to-rear leak proof layer is designed to stop leaks - sleep on your back or stomach
- EASY MAINTENANCE: Great for the planet & your wallet! Clean quickly by rinsing in washing machine w/ your laundry. Air dry to prolong their life
- MADE FOR ADULTS & TEENS: This is a great product for teens to save years of hassle w/ other less reliable, less comfortable, less sustainable products.
7. Saalt Leakproof Underwear
Saalt Leakproof Underwear specializes in period underwear designed for maximum absorbency and comfort. This brand is known for its inclusivity in sizing, catering to a broad audience. The fabric is soft and stretchy, ensuring comfort throughout the day.
Pros:
- High-performance absorbency
- Inclusive sizing
Cons:
- Styling may not suit everyone’s taste
This underwear is an excellent option for those looking for reliability during heavy flow days.
- REPLACES 3 PADS OR 4 TAMPONS — This heavy absorbency period underwear provides reliable protection for your heaviest days, overnight, postpartum wear, or bladder leaks. Silky-smooth fabric with no seams, so it’s invisible under clothing. Great for working out—no VPL even under leggings.
- NOT TREATED WITH PFAS OR OTHER HARMFUL CHEMICALS — Never treated with PFAS. Saalt keeps it clean for both you and the planet. That means we don’t treat our period underwear with harmful chemicals, and we source all of our fabrics sustainably. Saalt Seamless period underwear are made with LYCRA XTRA LIFE so your leakproof undies last longer and stretch farther without losing their shape and silky-smooth texture.
- LONG-LASTING & CONVENIENT FOR ALL LEAKS — All of the freedom, none of the panty lines. Your favorite full-coverage cut combined with our highest-absorbency gusset brings you the ultimate leakproof experience. Luxe, four-way stretch is designed to flex with you through periods, early pregnancy or weight changes—and that super-advanced pilates class. Absorbs period flow, discharge, and incontinence.
- LIGHTWEIGHT & DRY — Saalt Wear leakproof underwear is thinner, drier, and more comfortable than any other period panties. Saalt Wear is made with patent-pending moisture-separating gusset technology that wicks away wetness and traps moisture beneath the first layer so you feel drier, longer.
- 2% GIVE BACK WITH EVERY PURCHASE — Saalt is a B Corp. That means when you purchase, Saalt gives 2% to donate menstrual cups and period underwear for women and girls in areas with the most need, and fund initiatives in menstrual health, girls education, and sustainability. Invest in your comfort and make a difference with every purchase. Thank you for (period) caring.
8. Lively Shorty Period Underwear
Lively’s Shorty Period Underwear is perfect for those who prefer a modern cut. These pairs are not only chic but also offer great leak protection, making them an ideal choice for medium flow days. The soft, stretchy fabric provides all-day comfort without compromising style.
Pros:
- Fashion-forward design
- Soft and comfortable
Cons:
- May not provide enough protection for heavy flow
Great for anyone who values aesthetics alongside functionality.
- Period Underwear for Women: Thinx Comfort Stretch Hip Huggers are menstrual underwear for women that combine Thinx's stylish silhouettes with lace and mesh details in a silky-smooth fabric, helping ensure both comfort and protection during your period
- All-Day Absorbency: Our womens period underwear holds up to 12 regular tampons' worth of flow. The super absorbent core layer can handle up to 3 regular pads' flow and helps provide reliable protection throughout the day
- Leakproof for up to 12 Hours: Thinx period underwear for women, featuring the LeakSafe barrier, helps provide reliable leak protection all day. These period panties are a complete replacement for disposable period products or as a backup to tampons or menstrual cups
- Comfy & Flexible: Made with comfortable and flexible fabric, Thinx period underwear feels like regular underwear while offering built-in leak protection. Additionally, they are FSA / HSA eligible and are made without PFAS
- We're Thinx, better known as our family of brands, Thinx, Thinx Teens, and Thinx for All Leaks. Our vision is a healthy world through sustainable solutions to menstruation and incontinence. Since 2013, we've been on a mission to be an innovative leader at creating comfortable and inclusive products for all life's leaks, while sparking conversation and building community along the way
9. Ruby Love Period Underwear
Ruby Love has developed period underwear specifically for teens and young women. Their styles are designed to be fun and functional, with a waterproof barrier to prevent leaks. Building confidence during a delicate time is their priority, making it an excellent choice for younger users.
Pros:
- Teen-friendly designs
- Waterproof barrier
Cons:
- Limited styles for adults
Very appealing for younger audiences entering their menstruation phase.
- MODERATE PROTECTION - Features a 5-layer leak protection liner that helps wick away moisture, neutralize odors and minimize stains.
- NO-SHOW - Offers a smooth, discreet look under clothing so she can move with confidence throughout her day.
- COMFORT WAISTBAND - Hanes period panty offers a soft, fabric-covered that won’t dig or pinch.
- NO-RIDE-UP - No-ride-up legs are designed to stay-in-place.
- TAGLESS & ITCH-LESS - A smooth Tagless interior creates an itch-free finish.
10. Aisle Adjustable Period Underwear
Aisle brings innovation to period underwear with their Adjustable feature, allowing users to customize absorbency. This versatile underwear can transform for light to heavy days, accommodating needs as they change. The soft, breathable fabric adds to the comfort factor.
Pros:
- Customizable absorbency
- Soft fabric
Cons:
- May take time to figure out the adjustment process
Perfect for those who value flexibility and ease of use during their cycle.
- Comfort Rayon - KEECOW period underwear, crafted with 95% rayon, offering a cooler and softer feeling compared to cotton. Experience incredibe comfort while enjoying great moisture-wicking underwear.
- Super-absorbency - Designed with three layers of exceptional absorbent material, our underwear can provide extra protection every day-and-night.
- Leak-proof Layer for Relaxed Nights - Our leak-proof liner ensures liquid stays-contained, preventing embarrassing-leaks during various activities. Sleep peacefully knowing you're protected throughout the night.
- Full-Coverage Protection for All-Day-Comfort - With built-in liner in the front and back, our underwear offers comprehensive coverage, keeping you secure and confident in any position, for sports, sleep and so on.
- Anti-Chafe Design for Comfort - Say goodbye to irritation with our tag-less label and meticulously crafted design. Our underwear eliminates skin irritation, allowing you to go about your day without discomfort.
Final Thoughts
Choosing the best period underwear can transform your experience during menstruation in 2024. With various styles and levels of absorbency, there’s something to fit everyone’s needs. Whether you prefer ultra-comfortable options like the Knix Leakproof Brief or the stylish Thinx Organic Cotton Brief, there are excellent choices available. Make sure to consider your menstrual flow, comfort, and personal style when picking your ideal period underwear. By investing in high-quality options, you can enjoy your menstrual cycle with more ease and confidence than ever before.
Take your time to explore the options on Amazon, and you’re sure to find the best period underwear that suits your lifestyle perfectly!