Heavy Kit

Name: Heavy Kit
Brand: Athleticus Research
Price: 208.0 CAD
Availability: InStock
Rating: 5.0 (4 reviews)

Bikini

$208 CAD $313 CAD

Style Bikini

SIZE

size chart

Fit Tips:

If your body measurements fall on the borderline between two sizes, we recommend sizing up for a more comfortable fit. If your hip and waist measurements suggest different sizes, choose the size that matches your larger measurement.

How to Measure:

Bust Place the measuring tape around the fullest part of your bust.

Waist Stand up straight and place the measuring tape around your natural waist.

Hips Measure around the fullest part of your hips.

Inseam Measure from the crotch seam down to the hem of the pants.

Size Chart

	Pant	Waist (in)	Hip (in)
XS	00-0	20"-23"	28"-31"
S	0-2	24"-27"	32"-35"
M	4-6	28"-31"	36"-39"
L	8-10	32"-34"	40"-42"
XL	12-14	35"-37"	43"-45"
XXL	16	38"-40"	46"-48"

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

Blending comfort and high performance, Heavy Kit is suitable for those who aren't messing around. Ultimate leakproof underwear suitable for all occasions.

This kit includes:
5x Leakproof Bikini 9.0
1x Small Compact Carry Case
1x Organic Cotton Wash Bag
1x Everyday Performance Crew Socks

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.

CORE:TX™ 3.0
Body: 71% Nylon, 29% Spandex
Layer 1: 91% Polyester, 9% Spandex
Layer 2: 71% Nylon, 29% Spandex, PU Film

CORE:TX™ 5.0
Body: 71% Nylon, 29% Spandex
Layer 1: 91% Polyester, 9% Spandex
Layer 2: 89% Polyester, 11% Spandex
Layer 3: 71% Nylon, 29% Spandex, PU Film

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

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.

Risk-Free Guarantee Risk-Free Guarantee

Experience CORE:TX™ Leakproof Underwear with confidence—enjoy a 30-day money-back guarantee.*

How It Works:

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.
Checkout: Complete your order with Standard or Expedited shipping.
Try It: Experience the comfort, quality, and convenience of our CORE:TX™ Leakproof Underwear.
Get a Refund: If unsatisfied, request a refund (excluding shipping) within 30 days of receiving your order through our Return Center. You keep the underwear.

*Terms and conditions apply. Learn more here.

Shipping & Returns Shipping & Returns

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.

5.0

Rated 5.0 out of 5 stars

4 Reviews

Bought together

Absorbent

Moisture-Wicking

Worry-Free Backup

Sustainable

Razor-Thin Liquid Shield.

Razor-thin, and unimaginably over engineered, CORE:TX™ Leakproof System keeps you confident and comfortable all day long.

CORE:TX™ 3.0 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

5.0

Rated 5.0 out of 5 stars

Based on 4 reviews

Total 5 star reviews: 4 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0

100%would recommend these products

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4 reviews

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Hanna
Verified Buyer
1 month ago
Reviewing
Heavy Kit
Rated 5 out of 5 stars
really really reliable
No leaks at all
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Ricci
Verified Buyer
2 months ago
Reviewing
Heavy Kit
Rated 5 out of 5 stars
Wrapped edges are key
I’ve tried a few brands, but these feel much more comfortable. The wrapped edges are softer than I thought, and I don’t even notice them during the day.
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Emma
Verified Buyer
2 months ago
Reviewing
Heavy Kit
Rated 5 out of 5 stars
Great for my flow
The underwear feels soft and comfy, and the absorbency works great for my flow. I like the kit because it lets you try different absorbencies. The socks and carry case are a nice touch, even though I didn’t really need them for the underwear.
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Heavy Kit

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