The Complete Guide to Period Underwear Shopping

Discover the comfort and confidence of period underwear, the innovative solution revolutionizing menstrual care. Designed to absorb menstrual flow while providing a leak-proof barrier, these eco-friendly alternatives are perfect for those seeking a sustainable and hassle-free experience. Whether you’re at work, working out, or enjoying a night out, our shopping guide will help you find the perfect pair that meets your needs and lifestyle.

The Ultimate Shopping Guide to Period Underwear

Period underwear has emerged as a revolutionary alternative to traditional menstrual products like pads and tampons. Designed to absorb menstrual flow, these innovative undergarments combine comfort, style, and sustainability, making them a favorite among menstruators. This guide will help you navigate the various options available, ensuring you find the perfect pair that meets your needs.

Comparison of Period Underwear

Brand Style Absorbency Size Range Materials Price Range
Knix Bikini Up to 9 tampons XS – XXXXL Nylon, spandex, polyester $24 – $38
Thinx Brief Up to 12 tampons XS – XL Cotton, elastane, polyester $34 – $40
Saalt Comfort Brief Up to 6 tampons XXS – 4XL Tencel Modal $30 – $40
Bambody High Waist Up to 4 tampons XXS – 3XL Bamboo, spandex $22 – $30
Proof Hipster Up to 5 tampons XS – 3XL Nylon, spandex $24 – $30
Aerie Boybrief Up to 6 tampons XXS – XXL Cotton, elastane $20 – $30

Understanding Period Underwear


The 7 Best Period Underwear of 2025 | Reviews by Wirecutter - oeriod underwear

What is Period Underwear?

Period underwear is specially designed to absorb menstrual flow, providing a leak-proof barrier and comfort. Unlike traditional menstrual products, these can be worn alone or as backup protection alongside other methods like menstrual cups or tampons.

How Does It Work?

Period underwear typically features multiple layers:
– Top Layer: Moisture-wicking fabric (like cotton or bamboo) to keep you dry.
– Absorbent Layer: A thick core made from microfiber or polyester that traps liquid.
– Leak-Proof Barrier: A waterproof layer to prevent leaks from reaching your outer clothing.

Seasonal Wear

Choosing the Right Period Underwear for Different Seasons

  • Spring/Summer:
  • Opt for lightweight, breathable fabrics like bamboo or cotton that wick moisture away and keep you cool.
  • Thongs or bikinis are great choices for warm weather as they offer minimal coverage and comfort.

  • Fall/Winter:

  • Consider high-waisted or full-coverage styles that provide warmth and support.
  • Layer your period underwear under leggings or cozy pants for added comfort.

Styling Tips

  • Layering: Use your period underwear as a base layer under skirts or dresses.
  • Mix and Match: Pair your period underwear with your favorite activewear for gym sessions or outdoor activities.
  • Colors and Patterns: Choose fun colors and patterns to express your style while being practical.

Body Fit

Finding the Right Fit

  • Sizing: Always refer to the brand’s sizing chart. Brands like Knix and Saalt offer size inclusivity, ensuring everyone can find their fit.
  • Try Different Styles: Depending on your body shape, some styles may feel more comfortable than others. Consider trying briefs for more coverage or bikinis for a lighter feel.
  • Comfort Level: Look for soft, stretchy materials that move with your body without causing discomfort or chafing.

Considerations for Different Body Types

  • Curvy: High-waisted options can provide extra support and coverage.
  • Athletic: Look for styles that offer a snug fit to avoid shifting during movement.
  • Postpartum: Choose absorbent styles that cater to your flow and provide comfort during recovery.

Fabric Comfort

Material Choices

  • Cotton: Breathable and soft, ideal for sensitive skin.
  • Bamboo: Naturally antimicrobial and moisture-wicking, perfect for those with allergies or sensitivities.
  • Modal: Soft and stretchy, providing a luxurious feel while being eco-friendly.

Care Advice

  • Washing: Rinse your underwear in cold water after use to remove blood. Machine wash on a gentle cycle with mild detergent.
  • Drying: Air-dry your underwear to maintain their shape and absorbency. Avoid fabric softeners and bleach.

Practical Tips for Choosing and Using Period Underwear

  1. Test Different Brands: Don’t hesitate to try various brands to find the right fit and absorbency for your flow.
  2. Invest in a Variety: Consider having multiple pairs for different flow days—light, moderate, and heavy.
  3. Read Reviews: Customer feedback can provide insights into the comfort and reliability of the product.
  4. Follow Care Instructions: Proper care can extend the life of your period underwear.
  5. Consider Your Lifestyle: Choose styles that align with your daily activities and comfort preferences.

Technical Features Comparison

Brand Leak-Proof Technology Absorbency Levels Eco-Friendly Durability
Knix Yes Light to Heavy Yes 2-5 years
Thinx Yes Light to Heavy Yes 2-5 years
Saalt Yes Light to Super Yes 2-5 years
Bambody Yes Light to Heavy Yes 2-4 years
Proof Yes Light to Heavy Yes 2-4 years
Aerie Yes Light to Moderate Yes 2-4 years


Leakproof Period Underwear - Saalt - oeriod underwear

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Conclusion

Period underwear represents a comfortable, sustainable, and stylish option for managing menstrual flow. With a variety of brands, styles, and absorbency levels available, it’s essential to consider your individual needs and preferences. This shopping guide aims to empower you to make informed decisions about which period underwear will best suit your lifestyle and body.

FAQ

What is period underwear?
Period underwear is designed to absorb menstrual flow, providing a leak-proof barrier while being comfortable and reusable.

How much liquid can period underwear absorb?
Absorbency varies by brand but generally ranges from 1-12 tampons’ worth, depending on the style and intended use.

Can I wear period underwear overnight?
Yes, many brands offer options specifically designed for overnight wear, providing extra absorbency for a full night’s protection.

How do I care for period underwear?
Rinse them in cold water after use, machine wash on a gentle cycle, and air dry to maintain their absorbency and shape.

Are period underwear eco-friendly?
Most brands focus on sustainable materials and practices, making period underwear a more eco-friendly option compared to disposable products.

How long do period underwear last?
With proper care, period underwear can last anywhere from 2 to 5 years, depending on the brand and frequency of use.

Can I use period underwear with other menstrual products?
Yes, period underwear can be used alone or as a backup to other products like menstrual cups or tampons.

What should I do if I experience leaks?
If you experience leaks, check the fit and absorbency level of your underwear. It may be necessary to choose a style designed for heavier flows or ensure you are wearing the right size.

Are period underwear safe for sensitive skin?
Most period underwear brands offer options made from soft, breathable fabrics like cotton or bamboo, which are suitable for sensitive skin.

What if I have a heavy flow?
Look for brands that offer high absorbency options or consider using period underwear in combination with other menstrual products for added protection.