CORE:TX™

Leakproof Bikini

$52
4.7
Rated 4.7 out of 5 stars
285 Reviews
Absorbency Heavy
Light
Light
Medium
Medium
Heavy
Heavy

Size

Size Guide

Item is in stock Only 0 left in stock Item is out of stock Item is unavailable

CORE:TX™ 9.0 is the best teammate when you're working up a sweat. Created with multi-layer high absorption fibres to match your peak performance while offering uncompromised comfort and protection, no matter what activity you're doing. 

Mid-rise, moderate coverage with a waistband that rests below the natural waistline. Fits snug at first but conforms to your body with wash and wear.

Model is 5'8"/173cm wearing a size S.

Wash with like colours. Hand wash or machine wash in cold water. Avoid washing at high temperatures to prevent peeling of adhered fabric. Do not use bleach or fabric softeners. Use wash bag. Do not tumble dry.

Body: 71% Nylon, 29% Spandex
CORE:TX™ 9.0 Gusset Layer 1: 91% Polyester, 9% Spandex
CORE:TX™ 9.0 Gusset Layer 2: 100% Polyester
CORE:TX™ 9.0 Gusset Layer 3: 71% Nylon, 29% Spandex, PU Film

Experience CORE:TX™ Leakproof Underwear with confidence—enjoy a 45-day money-back guarantee.*

How It Works:

  1. Choose Your Style: Add one CORE:TX™ Leakproof Underwear to your cart - available in Bikini, Boyshort, High Rise, or Thong, in any size and absorbency.
  2. Checkout: Complete your order with Standard or Expedited shipping.
  3. Try It: Experience the comfort, quality, and convenience of our CORE:TX™ Leakproof Underwear.
  4. Get a Refund: If unsatisfied, request a refund (excluding shipping) within 45 days of receiving your order through our Return Center. You keep the underwear.

*Terms and conditions apply. Learn more here.

Free standard shipping for orders over $50.
Within 30 days of delivery, you may return or exchange. The underwear item must be unworn, unwashed, and in its original condition with all tags and packaging intact.
Please see our Return & Exchanges policy here.

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ABSORBENT

MOISTURE-WICKING

WORRY-FREE BACKUP

SUSTAINABLE

CORE:TX™ System

3.0 features Razor-Thin Integrated Gusset for discrete and comfort even for everyday use.

5.0 and 9.0 underwear features Secure+ Floating Gusset for extra protection and provides a sleeve for disposable and reusable pads.

Other Brands

Other brands utilize common honeycomb fabric that absorbs liquid slowly, causing smears and overall dampness.

Sharp edges from machine-pressed glued edges harden over time and dig into your skin throughout the day.

CORE:TX™ Technical Fabrics

Our instant pass-through fabric technology locks in instantly to keep you feeling fresh and dry throughout the day.

Ultra-soft wrapped edges provides soft and smooth feel keeping you comfortable all day long.

CORE:TX™ 9.0 shown.

360 Liquid Barrier.

Utilizing advanced water-proof stitching techniques and wrapped edges, the 360 Liquid Barrier provides double the leakproof performance while staying soft and comfortable.

RINSE. WASH. REPEAT.

Caring for your CORE:TX™ is simple. Quick rinse with cold water to remove any stains. Machine wash cold on a gentle cycle. Air dry to ensure longevity.

Reality Check.

Single-use products use over one million litres of water for production and generates over one million tons of waste each year. This waste can stay in landfills for up to 800 years.

Our commitment to the environment.

Caring for the environment is a responsibility we all share. Our biodegradable packaging ensures that once it’s done protecting your underwear, it returns to the earth without leaving a lasting footprint.

Bundles and Kits

Love your underwear and want more? Looking for different absorbencies to complete your set? Check out Bundles and Kits for tailored sets and discounts.

Visit Bundles and Kits
4.7
Rated 4.7 out of 5 stars
Based on 285 reviews
Total 5 star reviews: 214 Total 4 star reviews: 61 Total 3 star reviews: 10 Total 2 star reviews: 0 Total 1 star reviews: 0
96%would recommend these products
285 reviews
  • Lulu
    Flag of United States
    Verified Buyer
    2 days ago
    Rated 4 out of 5 stars
    Love the Moderate Protection

    lly love the 5 absorbency for my mid range days. It’s just the right amount of protection and stays in place all day.

  • Nina
    Flag of United States
    Verified Buyer
    4 days ago
    Rated 4 out of 5 stars
    Great for Running Errands with Kids

    As a mom of two young kids, I’m always on the go. I needed some underwear that I could rely on while running errands, chasing after the kids, or doing household chores. This bikini underwear has been a lifesaver! They’re so comfortable , I barely notice them under my clothes. The fabric is soft and stretchy, and it never rides up or bunches, which is exactly what I need when I’m constantly moving. Plus, they’re breathable enough for warmer days, and I can wear them for hours without feeling uncomfortable. I’ve even worn them during quick trips to the store and felt completely secure.

  • Ames
    Flag of United States
    Verified Buyer
    5 days ago
    Rated 5 out of 5 stars
    Barely Noticeable

    The gusset padding is so thin, it feels like nothing at all. It’s there for protection, but it doesn’t feel bulky or uncomfortable.

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