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Color: Black
Best Seller

Color: Black

Size:

Size:

Size and Fit Guide

Mix & Match: 3+ for $20 each
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The Heavy Flow Kit - High Rise

$153.00 CAD

$192.00

Save $38
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Heavy absorbency

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Best-selling styles

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Invisible under clothes

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Machine washable

The Heavy Flow Kit - High Rise
The Heavy Flow Kit - High Rise
Amber has 46” hips, and wearing KNIX L | Warm Sand
Amber has 46” hips, and wearing KNIX L | Warm Sand
Julie has 33.5” hips, and wearing KNIX S | Black
Julie has 33.5” hips, and wearing KNIX S | Black

Set includes: Leakproof kit with 4 high-rise undies & 1 sleep short

See Details
| Black

Super Leakproof® No-Show High Rise Kit

Color: Black

Size:

Size and Fit Guide

Size:

Amber has 46” hips, and wearing KNIX L | Warm Sand

Super Leakproof® No-Show High Rise Kit

Color: Warm Sand

Size:

Size and Fit Guide

Size:

| Black

Super Leakproof® No-Show High Rise Kit

Color: Black

Size:

Size and Fit Guide

Size:

Amber has 46” hips, and wearing KNIX L | Warm Sand

Super Leakproof® No-Show High Rise Kit

Color: Warm Sand

Size:

Size and Fit Guide

Size:

Isabelle has 40

Super Leakproof® Dream Short Kit

Color: Warm Sand

Size:

Size and Fit Guide

Size:

Leakproof Underwear is Sales Tax Free in Canada
Free Shipping on orders $100+
Easy Exchanges within 30 Days
Rewards Members Earn 153 Points

Get confident protection for the heaviest days of your cycle with our Heavy Flow Kit.
This Kit Includes:
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4 pairs of Super Leakproof® No-Show High Rise

Your go-to for heavy days, absorbs about 4 super tampons worth of liquid.
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1 pair of Super Leakproof® Dream Short

Our best-selling overnight protection, absorbs about 5.5 super tampons worth of liquid.
Choose your size & mix and match your choice of colors and prints. Make the switch from disposable products to our life changing Leakproof underwear. Comfortable coverage for every leak—and they’re machine washable!

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The Heavy Flow Kit - High Rise
The Heavy Flow Kit - High Rise
Amber has 46” hips, and wearing KNIX L | Warm Sand
Amber has 46” hips, and wearing KNIX L | Warm Sand
Julie has 33.5” hips, and wearing KNIX S | Black
Julie has 33.5” hips, and wearing KNIX S | Black

How to Choose?

Essential

Drop
Drop
Drop
Drop
Drop
  • Everyday Wear
  • No leakproof protection
  • tsp
    0 tsp

Heavy

Drop
Drop
Drop
Drop
Drop
  • heavy period days
  • overnight protection
  • light bladder leaks
  • tsp
    6-11 tsp
  • pad
    about 1.5-3 regular pads
  • tampon
    about 3-6 super tampons
  • cup
    about 1-2 menstrual cups

Light

Drop
Drop
Drop
Drop
Drop
  • light period days
  • sweat
  • sweat and discharge
  • tsp
    about 1-3 tsp
  • pad
    about 1-3 pantyliners
  • tampon
    about 1-3 regular tampons
  • cup
    about 0.5 menstrual cups

Moderate

Drop
Drop
Drop
Drop
Drop
  • moderate period days
  • light bladder leaks
  • sweat
  • tsp
    about 3-6 tsp
  • pad
    about 1-1.5 regular pads
  • tampon
    about 2-3 super tampons
  • cup
    about 0.5-1 menstrual cups

Ultra

Drop
Drop
Drop
Drop
Drop
  • extra heavy period days
  • overnight protection
  • light bladder leaks
  • tsp
    13-17 tsp
  • pad
    3.5-4.5 regular pads
  • tampon
    7-9 super tampons
  • cup
    2-3 menstrual cups