The Period Company. Sporty Stretch Bikini, Period Underwear for Heavy Flows, Forest
The Period Company. Sporty Stretch Bikini, Period Underwear for Heavy Flows, Forest
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The Period Company. Sporty Stretch Bikini, Period Underwear for Heavy Flows, Forest

752 ratings
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Key item features

  • Superior Absorbency: This period underwear absorbs 8-10 tampons worth of flow or 5 pads, equivalent to 10 tablespoons of blood, making it suitable for heavy flows.
  • Advanced Technology: Features a four-layer design, including an organic cotton crotch lining and a leak-proof polyester layer for reliable protection.
  • Active Design: Specifically engineered to be leak-free and super-absorbent, capable of withstanding ultra-movement and sweat during activities like marathons or spin classes.
  • Comfortable Sizing: The Sporty Stretch Bikini runs true to size, allowing users to order their usual women's size for an optimal fit.
  • Durable Material: Constructed from PeriodTech fabric, a super stretchy Nylon and Spandex knit that moves with the body, ensuring comfort and flexibility.
  • Versatile Use: Ideal for a wide range of activities, from intense workouts to busy daily routines, providing dependable protection throughout the day.
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About this item

Product details

Super-absorbent, designed to withstand ultra-movement and sweat. Absorbs 8 to 10 tampons worth! Your favorite bikini can now do a marathon, a spin class, a barre class, you name it! Or I’m just great for a busy day of running around. I’m currently the world champion in being waste-free and super-absorbent. The Bikini Period. in Sporty Stretch is made from our PeriodTech™ fabric - a super stretchy Nylon and Spandex knit that moves with you. The Bikini Period. runs true to size, so order your most standard women's size. As always, the gusset is made with organic cotton. When To Wear: doing a marathon, going to the supermarket, and everything in between.
  • Heavy Absorbency: Absorbs 8-10 tampons worth of flow or 5 pads. Four-Layer Technology: Featuring an organic cotton crotch lining and a leak-proof polyester layer.
  • Designed for those heavy days: The Period Company made the Bikini Period. to be leak-free, super-absorbent, and to withstand ultra-movement and sweat!
  • Sizing: The Bikini Period. In Sporty Stretch runs true to size. Order your usual women's size.
  • Each pair of Period. underwear can hold up to 10 tbls, or 8-10 tampons, worth of blood.
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Absorbency

Heavy

Underpant/swim bottom style

Period

Size

M

Waist size

31 in

Indications

Directions

Instructions

Rinse for a few seconds. Either hand wash and hang dry, or add to the laundry pile.

Fabric Care Instructions

How to take care of your Period. Hand or regular wash, no bleach. Tumble dry low or hang dry. Do not dry clean. Thank you for having your Period.

Ingredients

Customer ratings & reviews

4.5 out of 5 stars
stars
752 ratings256 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars77% (580)
  2. 4 stars11% (81)
  3. 3 stars5% (34)
  4. 2 stars2% (17)
  5. 1 star5% (40)

Reviews summary

Pros

  • : The underwear fits well and offers high absorbency without leaks.
  • : Garment fits as expected across the stated measurements.
  • : The pricing is competitive compared with similar products.
  • : The underwear provides high absorbency and full coverage overnight.
  • : The lining handles heavier flow and overnight protection.

Neutral

  • : It absorbs heavy flow yet may leak after a few hours.
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Showing 1-3 of 256 reviews

Oct 24, 2026
Reviewer name: anonymous
Item details
Color: Black
Clothing size: L
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Highly recommend this product

This project worked better then I thought it would. It absorbed a lot and didn't leak through like other brands. I'm definitely going to purchase more and highly recommend this to women who are sensitive to regular menstrual products like I am.

Helpful?184f2270-bb16-11f1-bea1-69fcde27253c8609612196
Oct 17, 2026
Reviewer name: Aiyana
Item details
Color: Rose
Clothing size: L
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

works great

even on my heavy days, this keeps me good for a couple hours until i change. they are a bit thick so it takes some getting used to but still works great.

Helpful?184f2270-bb16-11f1-bea1-69fcde27253c8609612196
Oct 25, 2026
Reviewer name: Anne
Top Reviewer
Item details
Color: Rose
Clothing size: L
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

absorbent and soft

nice and soft... very absorbent and effective for containing leaks. good for overnights and protecting bedding. rinse easily in sink, cold water.

Helpful?184f2270-bb16-11f1-bea1-69fcde27253c8609612196
Price when purchased online
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