Period Underwear for a Heavy Flow

WUKA Heavy Flow Period Pants provide reliable protection for up to 20ml of menstrual flow—around 4 tampons' worth. Designed for comfort, coverage, and leak-free wear, our flattering styles are perfect for heavier days. Reusable, absorbent, and sustainable.
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  • Teen model wearing WUKA Teen Stretch™ Boxer Short in navy, designed for heavy flow period protection, showing full-length front view.
    3 for £39
    4.8

    WUKA Teen Stretch™ Boxer Short Heavy - Navy

    €21,95
    Teen Stretch™ Period PantsSeamless Boxer Short
    Heavy
    €21,95
  • Front view of WUKA Teen Stretch Seamless Midi Brief, limited edition pink, designed for heavy period flow.
    3 for £36
    5.0

    WUKA Teen Stretch™ Seamless - Heavy flow - Pinkest Pink

    €20,95
    Teen Stretch™ Period PantsSeamless Midi Brief
    Heavy
    €20,95
  • Side angle of WUKA Basics™ Leopard Print Bikini heavy flow period pants, highlighting stretch-fit comfort and stylish print detail
    5.0

    WUKA Leopard Print Bikini - Heavy

    €22,95
    Basics™ Period PantsLeopard Print
    Heavy
    €22,95
  • Flat lay of WUKA Stretch™ Super Heavy Period Underwear 4 Pack in black with matching reusable wet bag – perfect for overnight menstrual protection.
    4.7

    WUKA Adult Sleep Set Stretch™ Heavy 4 pack

    €82,95
    Stretch™ Period PantsSleep Set 4 Pack
    Heavy
    €82,95
  • WUKA x Mooncup reusable period pads for heavy flow, made with GOTS-certified organic cotton and secure snap fastenings – pack of two
    5.0

    WUKA Reusable Period Pads Heavy - 2 Pack

    €24,95
    Reusable Period Pads2 Pack
    Heavy
    €24,95
  • WUKA Teen Sleep Stretch™ Boxer 4 Pack for heavy flow, includes four black period boxers and reusable waterproof washbag.
    4.8

    WUKA Teen Sleep Stretch™ Boxer Heavy Set 4 Pack

    €77,95
    Teen Stretch™ Period Pants4x Boxer Sleep Set
    Heavy
    €77,95
  • Teen wearing WUKA Stretch Seamless Midi Brief in limited edition Lime Punch, designed for heavy flow. Leak-proof period underwear with up to 12 hours of protection.
    3 for £36
    5.0

    WUKA Teen Stretch™ Seamless - Heavy flow - Lime Punch

    €20,95
    Teen Stretch™ Period PantsSeamless Midi Brief
    Heavy
    €20,95
  • WUKA Period School Set - 2 Day - Boxer - Black
    4.8

    WUKA Period School Set - 2 Day - Boxer - Black

    €71,95
    Teen Stretch™ Period Pants2 Day Boxer School Set
    Heavy
    €71,95
  • Model wearing WUKA limited edition orange Teen Stretch Seamless Midi Brief for heavy flow periods. Comfortable, leak-proof period underwear for teens.
    3 for £36
    5.0

    WUKA Teen Stretch™ Seamless - Heavy flow - Orange Sun

    €20,95
    Teen Stretch™ Period PantsSeamless Midi Brief
    Heavy
    €20,95
  • WUKA Period School Set - 2 Day - Heavy - Pinkest Pink
    4.8

    WUKA Period School Set - 2 Day - Heavy - Pinkest Pink

    €67,95
    Teen Stretch™ Period Pants2 Day School Set
    Heavy
    €67,95
  • Woman wearing WUKA Basics™ Hipster period pants for heavy flow – full body front view showcasing a sleek and comfortable fit.
    5.0

    WUKA Basics™ Hipster - Heavy

    €20,95
    Basics™ Period PantsHipster
    Heavy
    €20,95
  • Teen wearing WUKA Stretch Seamless Skort in black for heavy period flow — leak-proof and comfy coverage.
    Best for Sports

    WUKA Teen Stretch Seamless Skort - Heavy - Black

    €67,95
    Teen Period ActivewearSeamless Skort
    Heavy
    €67,95
  • Teen wearing WUKA Teen Stretch Seamless Skort in navy — heavy flow period skort designed for confidence and comfort.

    WUKA Teen Stretch Seamless Skort - Heavy - Navy

    €67,95
    Teen Period ActivewearSeamless Skort
    Heavy
    €67,95
  • WUKA Lunafly Competition Racerback period swimsuit, front view — leakproof heavy flow period swimwear
    NEW

    WUKA Lunafly Competition Racerback

    €94,95
    Competition Period SwimwearLunafly Racerback
    Heavy
    €94,95
  • WUKA Lunafly Competition Tie-Back period swimsuit, front view — leakproof heavy flow period swimwear
    NEW

    WUKA Lunafly Competition Tie-Back

    €94,95
    Competition Period SwimwearLunafly Tie-Back
    Heavy
    €94,95
  • WUKA Lunafly Competition Bikini bottoms, front view — leakproof period bikini for heavy flow
    NEW

    WUKA Lunafly Competition Bikini

    €40,95
    Competition Period SwimwearLunafly Bikini
    Heavy
    €40,95
  • WUKA Lunafly Competition Bikini top, front view — racerback swim top for period swimwear sets
    NEW

    WUKA Lunafly Competition Top

    €40,95
    Competition Period SwimwearLunafly Swim Top
    €40,95
  • WUKA Lunafly Competition Legsuit, front view — knee-length leakproof heavy flow period swimwear
    NEW

    WUKA Lunafly Competition Legsuit

    €94,95
    Competition Period SwimwearLunafly Legsuit
    Heavy
    €94,95
  • WUKA Period School Set - 1 Week - Heavy - Black
    4.8

    WUKA Period School Set - 1 Week - Heavy - Black

    €100,95
    Teen Stretch™ Period Pants1 Week School Set
    Heavy
    €100,95
  • WUKA Period School Set - 2 Day - Heavy - Light Nude
    4.8

    WUKA Period School Set - 2 Day - Heavy - Light Nude

    €67,95
    Teen Stretch™ Period Pants2 Day School Set
    Heavy
    €67,95
  • WUKA Period School Set - 2 Day - Heavy - Blue
    4.8

    WUKA Period School Set - 2 Day - Heavy - Blue

    €67,95
    Teen Stretch™ Period Pants2 Day School Set
    Heavy
    €67,95
  • WUKA Period School Set - 2 Day - Boxer - Navy
    4.8

    WUKA Period School Set - 2 Day - Boxer - Navy

    €71,95
    Teen Stretch™ Period Pants2 Day Boxer School Set
    Heavy
    €71,95
  • WUKA Period School Set - 1 Week - Heavy - Navy
    4.8

    WUKA Period School Set - 1 Week - Heavy - Navy

    €100,95
    Teen Stretch™ Period Pants1 Week School Set
    Heavy
    €100,95
  • WUKA Period School Set - 1 Week - Heavy - Pinkest Pink
    4.8

    WUKA Period School Set - 1 Week - Heavy - Pinkest Pink

    €100,95
    Teen Stretch™ Period Pants1 Week School Set
    Heavy
    €100,95
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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

FAQ: Heavy Flow Period Pants

Heavy Flow period pants are WUKA’s most popular choice, holding 20 ml for reliable protection on heavier days. Soft, breathable, and reusable, they are perfect for work, school, or long days when you need trusted comfort and security.

What does Heavy Flow absorbency mean?
Heavy Flow absorbency is designed for days when your period is heavier and you need extra protection. These pants lock in leaks and odour while still feeling soft and breathable.
How much can Heavy Flow pants hold compared to other absorbencies?
Heavy Flow pants hold 20 ml or more, around 4 tampons or 3 pads. This sits between Medium Flow (15 ml) and Super Heavy (60 ml), making Heavy the best everyday choice for strong flow days without the thickness of Super Heavy.
Are Heavy Flow styles suitable for overnight wear?
Heavy Flow pants can be worn overnight for many people. For peace of mind on very heavy nights or postpartum bleeding, Super Heavy or Overnight styles offer maximum back coverage and capacity.
What styles are available in Heavy Flow?
Heavy Flow absorbency is available across popular styles such as Midi Brief, High Waist, Bikini, and Boxers. This gives you the flexibility to choose the cut that feels most comfortable and supportive for your body.
How many pairs of Heavy Flow pants should I buy for my cycle?
Most people find 3 to 5 Heavy Flow pairs ideal for the main part of their cycle, then mix with Medium Flow for lighter days or Super Heavy for the heaviest days. Teens and those with longer cycles may want more pairs to reduce laundry time.
What if my size changes due to bloating or body changes?
If your size fluctuates, multi size styles like WUKA Stretch adapt across several sizes and stretch comfortably with your body during bloating or growth.
Are Heavy Flow pants safe and chemical free?
Yes. WUKA period pants are lab tested, REACH compliant, and free from harmful chemicals. Independent testing has shown no silver detected in WUKA pants and none of the PFAS banned by REACH. WUKA does not use antibacterial treatments.
How do I wash and care for Heavy Flow pants, and how long will they last?
Rinse in cold water after use, then machine wash at 30 to 40°C without fabric softener. Air dry only. With proper care each pair lasts up to 2 years, saving over 200 disposables from landfill. For details see the Wash Guide.

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